---
kind: "section"
citation: "21 U.S.C. § 802"
title: "21"
title_heading: "Food and Drugs"
number: "802"
heading: "Definitions"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/21/802"
units:
  - "Chapter 13 — Drug Abuse Prevention and Control"
  - "Subchapter I — Control and Enforcement"
  - "Part A — Introductory Provisions"
---

# §802. Definitions


As used in this subchapter:

- (1) The term “addict” means any individual who habitually uses any [narcotic drug](#17) so as to endanger the public morals, health, safety, or welfare, or who is so far addicted to the use of [narcotic drugs](#17) as to have lost the power of self-[control](#5) with reference to his addiction.
- (2) The term “administer” refers to the direct application of a [controlled substance](#6) to the body of a patient or research subject by—
  - (A) a [practitioner](#21) (or, in his presence, by his authorized [agent](#3)), or
  - (B) the patient or research subject at the direction and in the presence of the [practitioner](#21),

  whether such application be by injection, inhalation, ingestion, or any other means.

- (3) The term “agent” means an authorized person who acts on behalf of or at the direction of a [manufacturer](#15), [distributor](#11), or [dispenser](#10); except that such term does not include a common or contract carrier, public warehouseman, or employee of the carrier or warehouseman, when acting in the usual and lawful course of the carrier’s or warehouseman’s business.
- (4) The term “Drug Enforcement Administration” means the Drug Enforcement Administration in the Department of Justice.
- (5) The term “control” means to add a [drug](#12) or other substance, or [immediate precursor](#23), to a schedule under part B of this subchapter, whether by transfer from another schedule or otherwise.
- (6) The term “controlled substance” means a [drug](#12) or other substance, or [immediate precursor](#23), included in schedule I, II, III, IV, or V of part B of this subchapter. The term does not include distilled spirits, wine, malt beverages, or tobacco, as those terms are defined or used in subtitle E of the Internal Revenue Code of 1986.
- (7) The term “counterfeit substance” means a [controlled substance](#6) which, or the container or labeling of which, without authorization, bears the trademark, trade name, or other identifying mark, imprint, number, or device, or any likeness thereof, of a [manufacturer](#15), [distributor](#11), or [dispenser](#10) other than the person or persons who in fact manufactured, distributed, or dispensed such substance and which thereby falsely purports or is represented to be the product of, or to have been distributed by, such other [manufacturer](#15), [distributor](#11), or [dispenser](#10).
- (8) The terms “deliver” or “delivery” mean the actual, constructive, or attempted transfer of a [controlled substance](#6) or a [listed chemical](#33), whether or not there exists an agency relationship.
- (9) The term “depressant or stimulant substance” means—
  - (A) a [drug](#12) which contains any quantity of barbituric acid or any of the salts of barbituric acid; or
  - (B) a [drug](#12) which contains any quantity of (i) amphetamine or any of its optical [isomers](#14); (ii) any salt of amphetamine or any salt of an optical [isomer](#14) of amphetamine; or (iii) any substance which the Attorney General, after investigation, has found to be, and by regulation designated as, habit forming because of its stimulant effect on the central nervous system; or
  - (C) lysergic acid diethylamide; or
  - (D) any [drug](#12) which contains any quantity of a substance which the Attorney General, after investigation, has found to have, and by regulation designated as having, a potential for abuse because of its depressant or stimulant effect on the central nervous system or its hallucinogenic effect.
- (10) The term “dispense” means to [deliver](#8) a [controlled substance](#6) to an [ultimate user](#27) or research subject by, or pursuant to the lawful order of, a [practitioner](#21), including the prescribing and administering of a [controlled substance](#6) and the packaging, labeling or compounding necessary to prepare the substance for such [delivery](#8). The term “dispenser” means a [practitioner](#21) who so [delivers](#8) a [controlled substance](#6) to an [ultimate user](#27) or research subject.
- (11) The term “distribute” means to [deliver](#8) (other than by administering or dispensing) a [controlled substance](#6) or a [listed chemical](#33). The term “distributor” means a person who so [delivers](#8) a [controlled substance](#6) or a [listed chemical](#33).
- (12) The term “drug” has the meaning given that term by [section 321(g)(1) of this title](/usc/21/321.md?p=g-1).
- (13) The term “felony” means any Federal or [State](#26) offense classified by applicable Federal or [State](#26) law as a felony.
- (14) The term “isomer” means the optical isomer, except as used in schedule I(c) and schedule II(a)(4). As used in schedule I(c), the term “isomer” means any optical, positional, or geometric isomer. As used in schedule II(a)(4), the term “isomer” means any optical or geometric isomer.
- (15) The term “manufacture” means the [production](#22), preparation, propagation, compounding, or processing of a [drug](#12) or other substance, either directly or indirectly or by extraction from substances of natural origin, or independently by means of chemical synthesis or by a combination of extraction and chemical synthesis, and includes any packaging or repackaging of such substance or labeling or relabeling of its container; except that such term does not include the preparation, compounding, packaging, or labeling of a [drug](#12) or other substance in conformity with applicable [State](#26) or local law by a [practitioner](#21) as an incident to his administration or dispensing of such [drug](#12) or substance in the course of his professional practice. The term “manufacturer” means a person who manufactures a [drug](#12) or other substance.
- (16)
  - (A) Subject to [subparagraph (B)](#16-B), the terms “marihuana” and “marijuana” mean all parts of the plant Cannabis sativa L., whether growing or not; the seeds thereof; the resin extracted from any part of such plant; and every compound, [manufacture](#15), salt, derivative, mixture, or preparation of such plant, its seeds or resin.
  - (B) The terms “[marihuana](#16-A)” and “[marijuana](#16-A)” do not include—
    - (i) hemp, as defined in [section 1639o](/usc/7/1639o.md) of title 7; or
    - (ii) the mature stalks of such plant, fiber produced from such stalks, oil or cake made from the seeds of such plant, any other compound, [manufacture](#15), salt, derivative, mixture, or preparation of such mature stalks (except the resin extracted therefrom), fiber, oil, or cake, or the sterilized seed of such plant which is incapable of germination.
- (17) The term “narcotic drug” means any of the following whether produced directly or indirectly by extraction from substances of vegetable origin, or independently by means of chemical synthesis, or by a combination of extraction and chemical synthesis:
  - (A) Opium, [opiates](#18), derivatives of opium and [opiates](#18), including their [isomers](#14), esters, ethers, salts, and salts of [isomers](#14), esters, and ethers, whenever the existence of such [isomers](#14), esters, ethers, and salts is possible within the specific chemical designation. Such term does not include the isoquinoline alkaloids of opium.
  - (B) [Poppy straw](#20) and concentrate of [poppy straw](#20).
  - (C) Coca leaves, except coca leaves and extracts of coca leaves from which cocaine, ecgonine, and derivatives of ecgonine or their salts have been removed.
  - (D) Cocaine, its salts, optical and geometric [isomers](#14), and salts of [isomers](#14).
  - (E) Ecgonine, its derivatives, their salts, [isomers](#14), and salts of [isomers](#14).
  - (F) Any compound, mixture, or preparation which contains any quantity of any of the substances referred to in subparagraphs [(A)](#17-A) through [(E)](#17-E).
- (18) The term “opiate” or “opioid” means any [drug](#12) or other substance having an addiction-forming or addiction-sustaining liability similar to morphine or being capable of conversion into a [drug](#12) having such addiction-forming or addiction-sustaining liability.
- (19) The term “opium poppy” means the plant of the species Papaver somniferum L., except the seed thereof.
- (20) The term “poppy straw” means all parts, except the seeds, of the [opium poppy](#19), after mowing.
- (21) The term “practitioner” means a physician, dentist, veterinarian, scientific investigator, pharmacy, hospital, or other person licensed, registered, or otherwise permitted, by the [United States](#28) or the jurisdiction in which he practices or does research, to [distribute](#11), [dispense](#10), conduct research with respect to, [administer](#2), or use in teaching or chemical analysis, a [controlled substance](#6) in the course of professional practice or research.
- (22) The term “production” includes the [manufacture](#15), planting, cultivation, growing, or harvesting of a [controlled substance](#6).
- (23) The term “immediate precursor” means a substance—
  - (A) which the Attorney General has found to be and by regulation designated as being the principal compound used, or produced primarily for use, in the [manufacture](#15) of a [controlled substance](#6);
  - (B) which is an immediate chemical intermediary used or likely to be used in the [manufacture](#15) of such [controlled substance](#6); and
  - (C) the [control](#5) of which is necessary to prevent, curtail, or limit the [manufacture](#15) of such [controlled substance](#6).
- (24) The term “Secretary”, unless the context otherwise indicates, means the Secretary of Health and Human Services.
- (25) The term “serious bodily injury” means bodily injury which involves—
  - (A) a substantial risk of death;
  - (B) protracted and obvious disfigurement; or
  - (C) protracted loss or impairment of the function of a bodily member, organ, or mental faculty.
- (26) The term “State” means a State of the [United States](#28), the District of Columbia, and any commonwealth, territory, or possession of the [United States](#28).
- (27) The term “ultimate user” means a person who has lawfully obtained, and who possesses, a [controlled substance](#6) for his own use or for the use of a member of his household or for an animal owned by him or by a member of his household.
- (28) The term “United States”, when used in a geographic sense, means all places and waters, continental or insular, subject to the jurisdiction of the United States.
- (29) The term “maintenance treatment” means the dispensing, for a period in excess of twenty-one days, of a [narcotic drug](#17) in the treatment of an individual for dependence upon heroin or other morphine-like [drugs](#12).
- (30) The term “detoxification treatment” means the dispensing, for a period not in excess of one hundred and eighty days, of a [narcotic drug](#17) in decreasing doses to an individual in order to alleviate adverse physiological or psychological effects incident to withdrawal from the continuous or sustained use of a [narcotic drug](#17) and as a method of bringing the individual to a [narcotic drug](#17)-free [state](#26) within such period.
- (31) The term “Convention on Psychotropic Substances” means the Convention on Psychotropic Substances signed at Vienna, Austria, on February 21, 1971; and the term “Single Convention on Narcotic Drugs” means the Single Convention on Narcotic Drugs signed at New York, New York, on March 30, 1961.
- (32)
  - (A) Except as provided in [subparagraph (C)](#32-C), the term “controlled substance analogue” means a substance—
    - (i) the chemical structure of which is substantially similar to the chemical structure of a [controlled substance](#6) in schedule I or II;
    - (ii) which has a stimulant, depressant, or hallucinogenic effect on the central nervous system that is substantially similar to or greater than the stimulant, depressant, or hallucinogenic effect on the central nervous system of a [controlled substance](#6) in schedule I or II; or
    - (iii) with respect to a particular person, which such person represents or intends to have a stimulant, depressant, or hallucinogenic effect on the central nervous system that is substantially similar to or greater than the stimulant, depressant, or hallucinogenic effect on the central nervous system of a [controlled substance](#6) in schedule I or II.
  - (B) The designation of gamma butyrolactone or any other chemical as a [listed chemical](#33) pursuant to paragraph [(34)](#34) or [(35)](#35) does not preclude a finding pursuant to subparagraph (A) of this paragraph that the chemical is a [controlled substance analogue](#32-A).
  - (C) Such term does not include—
    - (i) a [controlled substance](#6);
    - (ii) any substance for which there is an approved new [drug](#12) application;
    - (iii) with respect to a particular person any substance, if an exemption is in effect for investigational use, for that person, under [section 355 of this title](/usc/21/355.md) to the extent conduct with respect to such substance is pursuant to such exemption; or
    - (iv) any substance to the extent not intended for human consumption before such an exemption takes effect with respect to that substance.
- (33) The term “listed chemical” means any [list I chemical](#34) or any [list II chemical](#35).
- (34) The term “list I chemical” means a chemical specified by regulation of the Attorney General as a chemical that is used in manufacturing a [controlled substance](#6) in violation of this subchapter and is important to the [manufacture](#15) of the [controlled substances](#6), and such term includes (until otherwise specified by regulation of the Attorney General, as considered appropriate by the Attorney General or upon petition to the Attorney General by any person) the following:
  - (A) Anthranilic acid, its esters, and its salts.
  - (B) Benzyl cyanide.
  - (C) Ephedrine, its salts, optical [isomers](#14), and salts of optical [isomers](#14).
  - (D) Ergonovine and its salts.
  - (E) Ergotamine and its salts.
  - (F) N-Acetylanthranilic acid, its esters, and its salts.
  - (G) Norpseudoephedrine, its salts, optical [isomers](#14), and salts of optical [isomers](#14).
  - (H) Phenylacetic acid, its esters, and its salts.
  - (I) Phenylpropanolamine, its salts, optical [isomers](#14), and salts of optical [isomers](#14).
  - (J) Piperidine and its salts.
  - (K) Pseudoephedrine, its salts, optical [isomers](#14), and salts of optical [isomers](#14).
  - (L) 3,4-Methylenedioxyphenyl-2-propanone.
  - (M) Methylamine.
  - (N) Ethylamine.
  - (O) Propionic anhydride.
  - (P) Isosafrole.
  - (Q) Safrole.
  - (R) Piperonal.
  - (S) N-Methylephedrine.
  - (T) N-methylpseudoephedrine.
  - (U) Hydriodic acid.
  - (V) Benzaldehyde.
  - (W) Nitroethane.
  - (X) Gamma butyrolactone.
  - (Y) Any salt, optical [isomer](#14), or salt of an optical [isomer](#14) of the chemicals listed in subparagraphs (M) through (U) of this paragraph.
- (35) The term “list II chemical” means a chemical (other than a [list I chemical](#34)) specified by regulation of the Attorney General as a chemical that is used in manufacturing a [controlled substance](#6) in violation of this subchapter, and such term includes (until otherwise specified by regulation of the Attorney General, as considered appropriate by the Attorney General or upon petition to the Attorney General by any person) the following chemicals:
  - (A) Acetic anhydride.
  - (B) Acetone.
  - (C) Benzyl chloride.
  - (D) Ethyl ether.
  - (E) Repealed. Pub. L. 101–647, title XXIII, § 2301(b), Nov. 29, 1990, 104 Stat. 4858.
  - (F) Potassium permanganate.
  - (G) 2-Butanone (or Methyl Ethyl Ketone).
  - (H) Toluene.
  - (I) Iodine.
  - (J) Hydrochloric gas.
- (36) The term “regular customer” means, with respect to a [regulated person](#38), a customer with whom the [regulated person](#38) has an established business relationship that is reported to the Attorney General.
- (37) The term “regular importer” means, with respect to a [listed chemical](#33), a person that has an established record as an importer of that [listed chemical](#33) that is reported to the Attorney General.
- (38) The term “regulated person” means a person who [manufactures](#15), [distributes](#11), [imports](/usc/21/951.md?p=a-1), or exports a [listed chemical](#33), a tableting machine, or an encapsulating machine or who acts as a [broker](#43) or [trader](#43) for an [international transaction](#42) involving a [listed chemical](#33), a tableting machine, or an encapsulating machine.
- (39) The term “regulated transaction” means—
  - (A) a distribution, receipt, sale, importation, or exportation of, or an [international transaction](#42) involving shipment of, a [listed chemical](#33), or if the Attorney General establishes a threshold amount for a specific [listed chemical](#33), a threshold amount, including a cumulative threshold amount for multiple transactions (as determined by the Attorney General, in consultation with the chemical industry and taking into consideration the quantities normally used for lawful purposes), of a [listed chemical](#33), except that such term does not include—
    - (i) a domestic lawful distribution in the usual course of business between [agents](#3) or employees of a single [regulated person](#38);
    - (ii) a [delivery](#8) of a [listed chemical](#33) to or by a common or contract carrier for carriage in the lawful and usual course of the business of the common or contract carrier, or to or by a warehouseman for storage in the lawful and usual course of the business of the warehouseman, except that if the carriage or storage is in connection with the distribution, importation, or exportation of a [listed chemical](#33) to a third person, this clause does not relieve a [distributor](#11), importer, or exporter from compliance with [section 830 of this title](/usc/21/830.md);
    - (iii) any category of transaction or any category of transaction for a specific [listed chemical](#33) or chemicals specified by regulation of the Attorney General as excluded from this definition as unnecessary for enforcement of this subchapter or subchapter II;
    - (iv) any transaction in a [listed chemical](#33) that is contained in a [drug](#12) that may be marketed or distributed lawfully in the [United States](#28) under the Federal Food, [Drug](#12), and Cosmetic Act [[21 U.S.C. 301](/usc/21/301.md) et seq.], subject to [clause (v)](#39-A-v), unless—
      - (I) the Attorney General has determined under [section 814 of this title](/usc/21/814.md) that the [drug](#12) or group of [drugs](#12) is being diverted to obtain the [listed chemical](#33) for use in the illicit [production](#22) of a [controlled substance](#6); and
      - (II) the quantity of the [listed chemical](#33) contained in the [drug](#12) included in the transaction or multiple transactions equals or exceeds the threshold established for that chemical by the Attorney General;
    - (v) any transaction in a [scheduled listed chemical product](#45-A) that is a sale [at retail](#48) by a [regulated seller](#46) or a [distributor](#11) required to submit reports under [section 830(b)(3) of this title](/usc/21/830.md?p=b-3); or
    - (vi) any transaction in a [chemical mixture](#40) which the Attorney General has by regulation designated as exempt from the application of this subchapter and subchapter II based on a finding that the mixture is formulated in such a way that it cannot be easily used in the illicit [production](#22) of a [controlled substance](#6) and that the [listed chemical](#33) or chemicals contained in the mixture cannot be readily recovered; and
  - (B) a distribution, importation, or exportation of a tableting machine or encapsulating machine.
- (40) The term “chemical mixture” means a combination of two or more chemical substances, at least one of which is not a [list I chemical](#34) or a [list II chemical](#35), except that such term does not include any combination of a [list I chemical](#34) or a [list II chemical](#35) with another chemical that is present solely as an impurity.
- (41)
  - (A) The term “anabolic steroid” means any [drug](#12) or hormonal substance, chemically and pharmacologically related to testosterone (other than estrogens, progestins, corticosteroids, and dehydroepiandrosterone), and includes—
    - (i) androstanediol—
      - (I) 3β,17β-dihydroxy-5α-androstane; and
      - (II) 3α,17β-dihydroxy-5α-androstane;
    - (ii) androstanedione (5α-androstan-3,17-dione);
    - (iii) androstenediol—
      - (I) 1-androstenediol (3β,17β-dihydroxy-5α-androst-1-ene);
      - (II) 1-androstenediol (3α,17β-dihydroxy-5α-androst-1-ene);
      - (III) 4-androstenediol (3β,17β-dihydroxy-androst-4-ene); and
      - (IV) 5-androstenediol (3β,17β-dihydroxy-androst-5-ene);
    - (iv) androstenedione—
      - (I) 1-androstenedione ([5α]-androst-1-en-3,17-dione);
      - (II) 4-androstenedione (androst-4-en-3,17-dione); and
      - (III) 5-androstenedione (androst-5-en-3,17-dione);
    - (v) bolasterone (7α,17α-dimethyl-17β-hydroxyandrost-4-en-3-one);
    - (vi) boldenone (17β-hydroxyandrost-1,4,-diene-3-one);
    - (vii) calusterone (7β,17α-dimethyl-17β-hydroxyandrost-4-en-3-one);
    - (viii) clostebol (4-chloro-17β-hydroxyandrost-4-en-3-one);
    - (ix) dehydrochloromethyltestosterone (4-chloro-17β-hydroxy-17α-methyl-androst-1,4-dien-3-one);
    - (x) *1-dihydrotestosterone (a.k.a. “1-testosterone”) (17β-hydroxy-5α-androst-1-en-3-one);
    - (xi) 4-dihydrotestosterone (17β-hydroxy-androstan-3-one);
    - (xii) drostanolone (17β-hydroxy-2α-methyl-5α-androstan-3-one);
    - (xiii) ethylestrenol (17α-ethyl-17β-hydroxyestr-4-ene);
    - (xiv) fluoxymesterone (9-fluoro-17α-methyl-11β,17β-dihydroxyandrost-4-en-3-one);
    - (xv) formebolone (2-formyl-17α-methyl-11α,17β-dihydroxyandrost-1,4-dien-3-one);
    - (xvi) furazabol (17α-methyl-17β-hydroxyandrostano[2,3-c]-furazan);
    - (xvii) 13β-ethyl-17β-hydroxygon-4-en-3-one;
    - (xviii) 4-hydroxytestosterone (4,17β-dihydroxy-androst-4-en-3-one);
    - (xix) 4-hydroxy-19-nortestosterone (4,17β-dihydroxy-estr-4-en-3-one);
    - (xx) mestanolone (17α-methyl-17β-hydroxy-5α-androstan-3-one);
    - (xxi) mesterolone (1α-methyl-17β-hydroxy-[5α]-androstan-3-one);
    - (xxii) methandienone (17α-methyl-17β-hydroxyandrost-1,4-dien-3-one);
    - (xxiii) methandriol (17α-methyl-3β,17β-dihydroxyandrost-5-ene);
    - (xxiv) methenolone (1-methyl-17β-hydroxy-5α-androst-1-en-3-one);
    - (xxv) 17α-methyl-3β, 17β-dihydroxy-5α-androstane;
    - (xxvi) 17α-methyl-3α,17β-dihydroxy-5α-androstane;
    - (xxvii) 17α-methyl-3β,17β-dihydroxyandrost-4-ene.
    - (xxviii) 17α-methyl-4-hydroxynandrolone (17α-methyl-4-hydroxy-17β-hydroxyestr-4-en-3-one);
    - (xxix) methyldienolone (17α-methyl-17β-hydroxyestra-4,9(10)-dien-3-one);
    - (xxx) methyltrienolone (17α-methyl-17β-hydroxyestra-4,9-11-trien-3-one);
    - (xxxi) methyltestosterone (17α-methyl-17β-hydroxyandrost-4-en-3-one);
    - (xxxii) mibolerone (7α,17α-dimethyl-17β-hydroxyestr-4-en-3-one);
    - (xxxiii) 17α-methyl-*1-dihydrotestosterone (17β-hydroxy-17α-methyl-5α-androst-1-en-3-one) (a.k.a. “17-α-methyl-1-testosterone”);
    - (xxxiv) nandrolone (17β-hydroxyestr-4-en-3-one);
    - (xxxv) norandrostenediol—
      - (I) 19-nor-4-androstenediol (3β, 17β-dihydroxyestr-4-ene);
      - (II) 19-nor-4-androstenediol (3α, 17β-dihydroxyestr-4-ene);
      - (III) 19-nor-5-androstenediol (3β, 17β-dihydroxyestr-5-ene); and
      - (IV) 19-nor-5-androstenediol (3α, 17β-dihydroxyestr-5-ene);
    - (xxxvi) norandrostenedione—
      - (I) 19-nor-4-androstenedione (estr-4-en-3,17-dione); and
      - (II) 19-nor-5-androstenedione (estr-5-en-3,17-dione;
    - (xxxvii) norbolethone (13β,17α-diethyl-17β-hydroxygon-4-en-3-one);
    - (xxxviii) norclostebol (4-chloro-17β-hydroxyestr-4-en-3-one);
    - (xxxix) norethandrolone (17α-ethyl-17β-hydroxyestr-4-en-3-one);
    - (xl) normethandrolone (17α-methyl-17β-hydroxyestr-4-en-3-one);
    - (xli) oxandrolone (17α-methyl-17β-hydroxy-2-oxa-[5α]-androstan-3-one);
    - (xlii) oxymesterone (17α-methyl-4,17β-dihydroxyandrost-4-en-3-one);
    - (xliii) oxymetholone (17α-methyl-2-hydroxymethylene-17β-hydroxy-[5α]-androstan-3-one);
    - (xliv) stanozolol (17α-methyl-17β-hydroxy-[5α]-androst-2-eno[3,2-c]-pyrazole);
    - (xlv) stenbolone (17β-hydroxy-2-methyl-[5α]-androst-1-en-3-one);
    - (xlvi) testolactone (13-hydroxy-3-oxo-13,17-secoandrosta-1,4-dien-17-oic acid lactone);
    - (xlvii) testosterone (17β-hydroxyandrost-4-en-3-one);
    - (xlviii) tetrahydrogestrinone (13β,17α-diethyl-17β-hydroxygon-4,9,11-trien-3-one);
    - (xlix) trenbolone (17β-hydroxyestr-4,9,11-trien-3-one);
    - (l) 5α-Androstan-3,6,17-trione;
    - (li) 6-bromo-androstan-3,17-dione;
    - (lii) 6-bromo-androsta-1,4-diene-3,17-dione;
    - (liii) 4-chloro-17α-methyl-androsta-1,4-diene-3,17β-diol;
    - (liv) 4-chloro-17α-methyl-androst-4-ene-3β,17β-diol;
    - (lv) 4-chloro-17α-methyl-17β-hydroxy-androst-4-en-3-one;
    - (lvi) 4-chloro-17α-methyl-17β-hydroxy-androst-4-ene-3,11-dione;
    - (lvii) 4-chloro-17α-methyl-androsta-1,4-diene-3,17β-diol;
    - (lviii) 2α,17α-dimethyl-17β-hydroxy-5α-androstan-3-one;
    - (lix) 2α,17α-dimethyl-17β-hydroxy-5β-androstan-3-one;
    - (lx) 2α,3α-epithio-17α-methyl-5α-androstan-17β-ol;
    - (lxi) [3,2-c]-furazan-5α-androstan-17β-ol;
    - (lxii) 3β-hydroxy-estra-4,9,11-trien-17-one;
    - (lxiii) 17α-methyl-androst-2-ene-3,17β-diol;
    - (lxiv) 17α-methyl-androsta-1,4-diene-3,17β-diol;
    - (lxv) Estra-4,9,11-triene-3,17-dione;
    - (lxvi) 18a-Homo-3-hydroxy-estra-2,5(10)-dien-17-one;
    - (lxvii) 6α-Methyl-androst-4-ene-3,17-dione;
    - (lxviii) 17α-Methyl-androstan-3-hydroxyimine-17β-ol;
    - (lxix) 17α-Methyl-5α-androstan-17β-ol;
    - (lxx) 17β-Hydroxy-androstano[2,3-d]isoxazole;
    - (lxxi) 17β-Hydroxy-androstano[3,2-c]isoxazole;
    - (lxxii) 4-Hydroxy-androst-4-ene-3,17-dione[3,2-c]pyrazole-5α-androstan-17β-ol;
    - (lxxiii) [3,2-c]pyrazole-androst-4-en-17β-ol;
    - (lxxiv) [3,2-c]pyrazole-5α-androstan-17β-ol; and
    - (lxxv) any salt, ester, or ether of a [drug](#12) or substance described in this paragraph.

    The substances excluded under this subparagraph may at any time be scheduled by the Attorney General in accordance with the authority and requirements of subsections (a) through (c) of [section 811 of this title](/usc/21/811.md).

  - (B)
    - (i) Except as provided in [clause (ii)](#41-B-ii), such term does not include an [anabolic steroid](#41-A) which is expressly intended for administration through implants to cattle or other nonhuman species and which has been approved by the [Secretary](#24) of Health and Human Services for such administration.
    - (ii) If any person prescribes, [dispenses](#10), or [distributes](#11) such steroid for human use, such person shall be considered to have prescribed, dispensed, or distributed an [anabolic steroid](#41-A) within the meaning of [subparagraph (A)](#41-A).
  - (C)
    - (i) Subject to [clause (ii)](#41-C-ii), a [drug](#12) or hormonal substance (other than estrogens, progestins, corticosteroids, and dehydroepiandrosterone) that is not listed in [subparagraph (A)](#41-A) and is derived from, or has a chemical structure substantially similar to, 1 or more [anabolic steroids](#41-A) listed in [subparagraph (A)](#41-A) shall be considered to be an [anabolic steroid](#41-A) for purposes of this chapter if—
      - (I) the [drug](#12) or substance has been created or manufactured with the intent of producing a [drug](#12) or other substance that either—
        - (aa) promotes muscle growth; or
        - (bb) otherwise causes a pharmacological effect similar to that of testosterone; or
      - (II) the [drug](#12) or substance has been, or is intended to be, marketed or otherwise promoted in any manner suggesting that consuming it will promote muscle growth or any other pharmacological effect similar to that of testosterone.
    - (ii) A substance shall not be considered to be a [drug](#12) or hormonal substance for purposes of this subparagraph if it—
      - (I) is—
        - (aa) an herb or other botanical;
        - (bb) a concentrate, metabolite, or extract of, or a constituent isolated directly from, an herb or other botanical; or
        - (cc) a combination of 2 or more substances described in item [(aa)](#41-C-ii-I-aa) or [(bb)](#41-C-ii-I-bb);
      - (II) is a dietary ingredient for purposes of the Federal Food, [Drug](#12), and Cosmetic Act ([21 U.S.C. 301](/usc/21/301.md) et seq.); and
      - (III) is not anabolic or androgenic.
    - (iii) In accordance with [section 885(a) of this title](/usc/21/885.md?p=a), any person claiming the benefit of an exemption or exception under [clause (ii)](#41-C-ii) shall bear the burden of going forward with the evidence with respect to such exemption or exception.
- (42) The term “international transaction” means a transaction involving the shipment of a [listed chemical](#33) across an international border (other than a [United States](#28) border) in which a [broker](#43) or [trader](#43) located in the [United States](#28) participates.
- (43) The terms “broker” and “trader” mean a person that assists in arranging an [international transaction](#42) in a [listed chemical](#33) by—
  - (A) negotiating contracts;
  - (B) serving as an [agent](#3) or intermediary; or
  - (C) bringing together a buyer and seller, a buyer and transporter, or a seller and transporter.
- (44) The term “felony drug offense” means an offense that is punishable by imprisonment for more than one year under any law of the [United States](#28) or of a [State](#26) or foreign country that prohibits or restricts conduct relating to [narcotic drugs](#17), [marihuana](#16-A), [anabolic steroids](#41-A), or [depressant or stimulant substances](#9).
- (45)
  - (A) The term “scheduled listed chemical product” means, subject to [subparagraph (B)](#45-B), a product that—
    - (i) contains ephedrine, pseudoephedrine, or phenylpropanolamine; and
    - (ii) may be marketed or distributed lawfully in the [United States](#28) under the Federal, Food, [Drug](#12), and Cosmetic Act [[21 U.S.C. 301](/usc/21/301.md) et seq.] as a nonprescription [drug](#12).

    Each reference in [clause (i)](#45-A-i) to ephedrine, pseudoephedrine, or phenylpropanolamine includes each of the salts, optical [isomers](#14), and salts of optical [isomers](#14) of such chemical.

  - (B) Such term does not include a product described in [subparagraph (A)](#45-A) if the product contains a chemical specified in such subparagraph that the Attorney General has under [section 811(a) of this title](/usc/21/811.md?p=a) added to any of the schedules under [section 812(c) of this title](/usc/21/812.md?p=c). In the absence of such scheduling by the Attorney General, a chemical specified in such subparagraph may not be considered to be a [controlled substance](#6).
- (46) The term “regulated seller” means a [retail distributor](#49-A) (including a pharmacy or a [mobile retail vendor](#47)), except that such term does not include an employee or [agent](#3) of such [distributor](#11).
- (47) The term “mobile retail vendor” means a person or entity that makes sales [at retail](#48) from a stand that is intended to be temporary, or is capable of being moved from one location to another, whether the stand is located within or on the premises of a fixed facility (such as a kiosk at a shopping center or an airport) or whether the stand is located on unimproved real estate (such as a lot or field leased for retail purposes).
- (48) The term “at retail”, with respect to the sale or purchase of a [scheduled listed chemical product](#45-A), means a sale or purchase for personal use, respectively.
- (49)
  - (A) The term “retail distributor” means a grocery store, general merchandise store, [drug](#12) store, or other entity or person whose activities as a [distributor](#11) relating to ephedrine, pseudoephedrine, or phenylpropanolamine products are limited almost exclusively to sales for personal use, both in number of sales and volume of sales, either directly to walk-in customers or in face-to-face transactions by direct sales.
  - (B) For purposes of this paragraph, entities are defined by reference to the Standard Industrial Classification (SIC) code, as follows:
    - (i) A grocery store is an entity within SIC code 5411.
    - (ii) A general merchandise store is an entity within SIC codes 5300 through 5399 and 5499.
    - (iii) A [drug](#12) store is an entity within SIC code 5912.
- (50) The term “Internet” means collectively the myriad of computer and telecommunications facilities, including equipment and operating software, which comprise the interconnected worldwide network of networks that employ the Transmission [Control](#5) Protocol/Internet Protocol, or any predecessor or successor protocol to such protocol, to communicate information of all kinds by wire or radio.
- (51) The term “deliver, distribute, or dispense by means of the Internet” refers, respectively, to any [delivery](#8), distribution, or dispensing of a [controlled substance](#6) that is caused or facilitated by means of the [Internet](#50).
- (52) The term “online pharmacy”—
  - (A) means a person, entity, or [Internet](#50) site, whether in the [United States](#28) or abroad, that knowingly or intentionally [delivers](#8), [distributes](#11), or [dispenses](#10), or offers or attempts to [deliver](#8), [distribute](#11), or [dispense](#10), a [controlled substance](#6) by means of the [Internet](#50); and
  - (B) does not include—
    - (i) [manufacturers](#15) or [distributors](#11) registered under subsection (a), (b), (e), or (f) of [section 823 of this title](/usc/21/823.md) who do not [dispense](#10) [controlled substances](#6) to an unregistered individual or entity;
    - (ii) nonpharmacy [practitioners](#21) who are registered under [section 823(g) of this title](/usc/21/823.md?p=g) and whose activities are authorized by that registration;
    - (iii) any hospital or other medical facility that is operated by an agency of the [United States](#28) (including the Armed Forces), provided such hospital or other facility is registered under [section 823(g) of this title](/usc/21/823.md?p=g);
    - (iv) a health care facility owned or operated by an Indian tribe or tribal organization, only to the extent such facility is carrying out a contract or compact under the Indian Self-Determination and Education Assistance Act [[25 U.S.C. 5301](/usc/25/5301.md) et seq.];
    - (v) any [agent](#3) or employee of any hospital or facility referred to in clause [(iii)](#52-B-iii) or [(iv)](#52-B-iv), provided such [agent](#3) or employee is lawfully acting in the usual course of business or employment, and within the scope of the official duties of such [agent](#3) or employee, with such hospital or facility, and, with respect to [agents](#3) or employees of health care facilities specified in [clause (iv)](#52-B-iv), only to the extent such individuals are furnishing services pursuant to the contracts or compacts described in such clause;
    - (vi) mere advertisements that do not attempt to facilitate an actual transaction involving a [controlled substance](#6);
    - (vii) a person, entity, or [Internet](#50) site that is not in the [United States](#28) and does not facilitate the [delivery](#8), distribution, or dispensing of a [controlled substance](#6) by means of the [Internet](#50) to any person in the [United States](#28);
    - (viii) a pharmacy registered under [section 823(g) of this title](/usc/21/823.md?p=g) whose dispensing of [controlled substances](#6) via the [Internet](#50) consists solely of—
      - (I) [refilling prescriptions for controlled substances in schedule III, IV, or V](#55), as defined in [paragraph (55)](#55); or
      - (II) [filling new prescriptions for controlled substances in schedule III, IV, or V](#56), as defined in [paragraph (56)](#56); or
    - (ix) any other persons for whom the Attorney General and the [Secretary](#24) have jointly, by regulation, found it to be consistent with effective [controls](#5) against diversion and otherwise consistent with the public health and safety to exempt from the definition of an “[online pharmacy](#52)”.
- (53) The term “homepage” means the opening or main page or screen of the website of an [online pharmacy](#52) that is viewable on the [Internet](#50).
- (54) The term “practice of telemedicine” means, for purposes of this subchapter, the practice of medicine in accordance with applicable Federal and [State](#26) laws by a [practitioner](#21) (other than a pharmacist) who is at a location remote from the patient and is communicating with the patient, or health care professional who is treating the patient, using a telecommunications system referred to in [section 1395m(m) of title 42](/usc/42/1395m.md?p=m), which practice—
  - (A) is being conducted—
    - (i) while the patient is being treated by, and physically located in, a hospital or clinic registered under [section 823(g) of this title](/usc/21/823.md?p=g); and
    - (ii) by a [practitioner](#21)—
      - (I) acting in the usual course of professional practice;
      - (II) acting in accordance with applicable [State](#26) law; and
      - (III) registered under [section 823(g) of this title](/usc/21/823.md?p=g) in the [State](#26) in which the patient is located, unless the [practitioner](#21)—
        - (aa) is exempted from such registration in all [States](#26) under [section 822(d) of this title](/usc/21/822.md?p=d); or
        - (bb) is—
          - (AA) an employee or contractor of the Department of Veterans Affairs who is acting in the scope of such employment or contract; and
          - (BB) registered under [section 823(g) of this title](/usc/21/823.md?p=g) in any [State](#26) or is utilizing the registration of a hospital or clinic operated by the Department of Veterans Affairs registered under [section 823(g) of this title](/usc/21/823.md?p=g);
  - (B) is being conducted while the patient is being treated by, and in the physical presence of, a [practitioner](#21)—
    - (i) acting in the usual course of professional practice;
    - (ii) acting in accordance with applicable [State](#26) law; and
    - (iii) registered under [section 823(g) of this title](/usc/21/823.md?p=g) in the [State](#26) in which the patient is located, unless the [practitioner](#21)—
      - (I) is exempted from such registration in all [States](#26) under [section 822(d) of this title](/usc/21/822.md?p=d); or
      - (II) is—
        - (aa) an employee or contractor of the Department of Veterans Affairs who is acting in the scope of such employment or contract; and
        - (bb) registered under [section 823(g) of this title](/usc/21/823.md?p=g) in any [State](#26) or is using the registration of a hospital or clinic operated by the Department of Veterans Affairs registered under [section 823(g) of this title](/usc/21/823.md?p=g);
  - (C) is being conducted by a [practitioner](#21)—
    - (i) who is an employee or contractor of the Indian Health Service, or is working for an Indian tribe or tribal organization under its contract or compact with the Indian Health Service under the Indian Self-Determination and Education Assistance Act [[25 U.S.C. 5301](/usc/25/5301.md) et seq.];
    - (ii) acting within the scope of the employment, contract, or compact described in [clause (i)](#54-C-i); and
    - (iii) who is designated as an [Internet](#50) Eligible [Controlled Substances](#6) Provider by the [Secretary](#24) under [section 831(g)(2) of this title](/usc/21/831.md?p=g-2);
  - (D)
    - (i) is being conducted during a public health emergency declared by the [Secretary](#24) under [section 247d of title 42](/usc/42/247d.md); and
    - (ii) involves patients located in such areas, and such [controlled substances](#6), as the [Secretary](#24), with the concurrence of the Attorney General, designates, provided that such designation shall not be subject to the procedures prescribed by subchapter II of [chapter 5](/usc/5/chptI/ch5.md) of title 5;
  - (E) is being conducted by a [practitioner](#21) who has obtained from the Attorney General a special registration under [section 831(h) of this title](/usc/21/831.md?p=h);
  - (F) is being conducted—
    - (i) in a medical emergency situation—
      - (I) that prevents the patient from being in the physical presence of a [practitioner](#21) registered under [section 823(g) of this title](/usc/21/823.md?p=g) who is an employee or contractor of the Veterans Health Administration acting in the usual course of business and employment and within the scope of the official duties or contract of that employee or contractor;
      - (II) that prevents the patient from being physically present at a hospital or clinic operated by the Department of Veterans Affairs registered under [section 823(g) of this title](/usc/21/823.md?p=g);
      - (III) during which the primary care [practitioner](#21) of the patient or a [practitioner](#21) otherwise practicing telemedicine within the meaning of this paragraph is unable to provide care or consultation; and
      - (IV) that requires immediate intervention by a health care [practitioner](#21) using [controlled substances](#6) to prevent what the [practitioner](#21) reasonably believes in good faith will be imminent and serious clinical consequences, such as further injury or death; and
    - (ii) by a [practitioner](#21) that—
      - (I) is an employee or contractor of the Veterans Health Administration acting within the scope of that employment or contract;
      - (II) is registered under [section 823(g) of this title](/usc/21/823.md?p=g) in any [State](#26) or is utilizing the registration of a hospital or clinic operated by the Department of Veterans Affairs registered under [section 823(g) of this title](/usc/21/823.md?p=g); and
      - (III) issues a [controlled substance](#6) prescription in this emergency context that is limited to a maximum of a 5-day supply which may not be extended or refilled; or
  - (G) is being conducted under any other circumstances that the Attorney General and the [Secretary](#24) have jointly, by regulation, determined to be consistent with effective [controls](#5) against diversion and otherwise consistent with the public health and safety.
- (55) The term “refilling prescriptions for controlled substances in schedule III, IV, or V”—
  - (A) means the dispensing of a [controlled substance](#6) in schedule III, IV, or V in accordance with refill instructions issued by a [practitioner](#21) as part of a valid prescription that meets the requirements of subsections (b) and (c) of [section 829 of this title](/usc/21/829.md), as appropriate; and
  - (B) does not include the issuance of a new prescription to an individual for a [controlled substance](#6) that individual was previously prescribed.
- (56) The term “filling new prescriptions for controlled substances in schedule III, IV, or V” means filling a prescription for an individual for a [controlled substance](#6) in schedule III, IV, or V, if—
  - (A) the pharmacy dispensing that prescription has previously dispensed to the patient a [controlled substance](#6) other than by means of the [Internet](#50) and pursuant to the valid prescription of a [practitioner](#21) that meets the applicable requirements of subsections (b) and (c) of [section 829 of this title](/usc/21/829.md) (in this paragraph referred to as the “original prescription”);
  - (B) the pharmacy contacts the [practitioner](#21) who issued the original prescription at the request of that individual to determine whether the [practitioner](#21) will authorize the issuance of a new prescription for that individual for the [controlled substance](#6) described in [subparagraph (A)](#56-A); and
  - (C) the [practitioner](#21), acting in the usual course of professional practice, determines there is a legitimate medical purpose for the issuance of the new prescription.
- (57) The term “suspicious order” may include, but is not limited to—
  - (A) an order of a [controlled substance](#6) of unusual size;
  - (B) an order of a [controlled substance](#6) deviating substantially from a normal pattern; and
  - (C) orders of [controlled substances](#6) of unusual frequency.
- (58) The term “serious drug felony” means an offense described in [section 924(e)(2) of title 18](/usc/18/924.md?p=e-2) for which—
  - (A) the offender served a term of imprisonment of more than 12 months; and
  - (B) the offender’s release from any term of imprisonment was within 15 years of the commencement of the instant offense.
- (59) The term “serious violent felony” means—
  - (A) an offense described in [section 3559(c)(2) of title 18](/usc/18/3559.md?p=c-2) for which the offender served a term of imprisonment of more than 12 months; and
  - (B) any offense that would be a [felony](#13) violation of [section 113 of title 18](/usc/18/113.md), if the offense were committed in the special maritime and territorial jurisdiction of the [United States](#28), for which the offender served a term of imprisonment of more than 12 months.
- (60) The term “fentanyl-related substance” has the meaning given the term in subsection (e)(2) of schedule I of [section 812(c) of this title](/usc/21/812.md?p=c).

## Source credit

(Pub. L. 91–513, title II, § 102, Oct. 27, 1970, 84 Stat. 1242; Pub. L. 93–281, § 2, May 14, 1974, 88 Stat. 124; Pub. L. 95–633, title I, § 102(b), Nov. 10, 1978, 92 Stat. 3772; Pub. L. 96–132, § 16(a), Nov. 30, 1979, 93 Stat. 1049; Pub. L. 98–473, title II, § 507(a), (b), Oct. 12, 1984, 98 Stat. 2071; Pub. L. 98–509, title III, § 301(a), Oct. 19, 1984, 98 Stat. 2364; Pub. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095; Pub. L. 99–570, title I, §§ 1003(b), 1203, 1870, Oct. 27, 1986, 100 Stat. 3207–6, 3207–13, 3207–56; Pub. L. 99–646, § 83, Nov. 10, 1986, 100 Stat. 3619; Pub. L. 100–690, title VI, § 6054, Nov. 18, 1988, 102 Stat. 4316; Pub. L. 101–647, title XIX, § 1902(b), title XXIII, § 2301, title XXXV, § 3599I, Nov. 29, 1990, 104 Stat. 4852, 4858, 4932; Pub. L. 103–200, §§ 2(a), 7–9(a), Dec. 17, 1993, 107 Stat. 2333, 2340; Pub. L. 103–322, title IX, § 90105(d), title XXXIII, § 330024(a), (b), (d)(1), Sept. 13, 1994, 108 Stat. 1988, 2150; Pub. L. 104–237, title II, §§ 204(a), 209, title IV, § 401(a), (b), Oct. 3, 1996, 110 Stat. 3102, 3104, 3106, 3107; Pub. L. 104–294, title VI, §§ 604(b)(4), 607(j), Oct. 11, 1996, 110 Stat. 3506, 3512; Pub. L. 105–115, title I, § 126(c)(3), Nov. 21, 1997, 111 Stat. 2328; Pub. L. 106–172, §§ 3(c), 5(a), Feb. 18, 2000, 114 Stat. 9, 10; Pub. L. 106–310, div. B, title XXXVI, § 3622(a), Oct. 17, 2000, 114 Stat. 1231; Pub. L. 107–273, div. B, title IV, § 4002(c)(1), Nov. 2, 2002, 116 Stat. 1808; Pub. L. 108–358, § 2(a), Oct. 22, 2004, 118 Stat. 1661; Pub. L. 109–162, title XI, § 1180, Jan. 5, 2006, 119 Stat. 3126; Pub. L. 109–177, title VII, §§ 711(a)(1), (2)(A), 712(a)(1), Mar. 9, 2006, 120 Stat. 256, 257, 263; Pub. L. 110–425, § 3(a), Oct. 15, 2008, 122 Stat. 4821; Pub. L. 113–260, § 2(a), Dec. 18, 2014, 128 Stat. 2929; Pub. L. 114–198, title III, § 303(a)(2), July 22, 2016, 130 Stat. 722; Pub. L. 115–271, title III, §§ 3202(c), 3292(a), Oct. 24, 2018, 132 Stat. 3945, 3956; Pub. L. 115–334, title XII, § 12619(a), Dec. 20, 2018, 132 Stat. 5018; Pub. L. 115–391, title IV, § 401(a)(1), Dec. 21, 2018, 132 Stat. 5220; Pub. L. 117–215, § 2(b), title I, § 103(b)(1)(A), Dec. 2, 2022, 136 Stat. 2258, 2262; Pub. L. 118–189, § 1, Dec. 23, 2024, 138 Stat. 2652; Pub. L. 119–26, § 6(c), July 16, 2025, 139 Stat. 417.)

## Notes

### Editorial Notes

### References in Text

Schedules I, II, III, IV, and V, referred to in pars. (6), (14), (32)(A), (52)(B)(viii), (55), and (56), are set out in section 812(c) of this title.

This subchapter, referred to in introductory provisions and in pars. (34), (35), (39)(A)(iii), (vi), and (54), was in the original “this title”, meaning title II of Pub. L. 91–513, Oct. 27, 1970, 84 Stat. 1242, and is popularly known as the “Controlled Substances Act”. For complete classification of title II to the Code, see second paragraph of Short Title note set out under section 801 of this title and Tables.

Subchapter II, referred to in par. (39)(A)(iii), (vi), was in the original “title III”, meaning title III of Pub. L. 91–513, Oct. 27, 1970, 84 Stat. 1285. Part A of title III comprises subchapter II of this chapter. For classification of Part B, consisting of sections 1101 to 1105 of title III, see Tables.

The Federal Food, Drug, and Cosmetic Act, referred to in pars. (39)(A)(iv), (41)(C)(ii)(II), and (45)(A)(ii), is act June 25, 1938, ch. 675, 52 Stat. 1040, which is classified generally to chapter 9 (§ 301 et seq.) of this title. For complete classification of this Act to the Code, see section 301 of this title and Tables.

This chapter, referred to in par. (41)(C)(i), was in the original “this Act”, meaning Pub. L. 91–513, Oct. 27, 1970, 84 Stat. 1236. For complete classification of this Act to the Code, see Short Title note set out under section 801 of this title and Tables.

The Indian Self-Determination and Education Assistance Act, referred to in pars. (52)(B)(iv) and (54)(C)(i), is Pub. L. 93–638, Jan. 4, 1975, 88 Stat. 2203, which is classified principally to chapter 46 (§ 5301 et seq.) of Title 25, Indians. For complete classification of this Act to the Code, see Short Title note set out under section 5301 of Title 25 and Tables.

### Amendments

2025—Par. (60). Pub. L. 119–26 added par. (60).

2024—Pars. (57) to (59). Pub. L. 118–189 redesignated pars. (57) defining the term “serious drug felony” and (58) as (58) and (59), respectively, and realigned margins.

2022—Par. (16)(A). Pub. L. 117–215, § 2(b)(1), substituted “the terms ‘marihuana’ and ‘marijuana’ mean” for “the term ‘marihuana’ means”.

Par. (16)(B). Pub. L. 117–215, § 2(b)(2), substituted “The terms ‘marihuana’ and ‘marijuana’ do not” for “The term ‘marihuana’ does not” in introductory provisions.

Par. (52)(B). Pub. L. 117–215, § 103(b)(1)(A)(i)(I), substituted “823(g)” for “823(f)” wherever appearing.

Par. (52)(B)(i). Pub. L. 117–215, § 103(b)(1)(A)(i)(II), substituted “(e), or (f)” for “(d), or (e)”.

Par. (54). Pub. L. 117–215, § 103(b)(1)(A)(ii), substituted “823(g)” for “823(f)” wherever appearing.

2018—Par. (16). Pub. L. 115–334 designated first sentence as subpar. (A), substituted “Subject to subparagraph (B), the” for “The”, inserted subpar. (B) designation, introductory provisions, and cl. (i), designated second sentence as cl. (ii) of subpar. (B), and substituted “the” for “Such term does not include the” in cl. (ii).

Par. (24). Pub. L. 115–271, § 3202(c), substituted “Health and Human Services” for “Health, Education, and Welfare”.

Par. (57). Pub. L. 115–391, § 401(a)(1), added par. (57) defining the term “serious drug felony”.

Pub. L. 115–271, § 3292(a), added par. (57) defining the term “suspicious order”.

Par. (58). Pub. L. 115–391, § 401(a)(1), added par. (58).

2016—Par. (18). Pub. L. 114–198 inserted “or ‘opioid’ ” after “The term ‘opiate’ ”.

2014—Par. (41)(A)(l) to (lxxv). Pub. L. 113–260, § 2(a)(1), added cls. (l) to (lxxiv) and redesignated former cl. (xlx) as (lxxv).

Par. (41)(C). Pub. L. 113–260, § 2(a)(2), added subpar. (C).

2008—Pars. (50) to (56). Pub. L. 110–425 added pars. (50) to (56).

2006—Par. (39)(A)(iv). Pub. L. 109–177, § 712(a)(1)(A)(i), amended cl. (iv) generally. Prior to amendment, cl. (iv) related to transactions involving drugs containing ephedrine, pseudoephedrine, or phenylpropanolamine.

Par. (39)(A)(v), (vi). Pub. L. 109–177, § 712(a)(1)(A)(ii), (iii), added cl. (v) and redesignated former cl. (v) as (vi).

Par. (41)(A)(xvii). Pub. L. 109–162, § 1180(1), substituted “13β-ethyl-17β-hydroxygon-4-en-3-one;” for “13β-ethyl-17α-hydroxygon-4-en-3-one;”.

Par. (41)(A)(xliv). Pub. L. 109–162, § 1180(2), substituted “(17α-methyl-17β-hydroxy-[5α]-androst-2-eno[3,2-c]-pyrazole);” for “(17α-methyl-17α-hydroxy-[5α]-androst-2-eno[3,2-c]-pyrazole);”.

Par. (45). Pub. L. 109–177, §§ 711(a)(1)(B), 712(a)(1)(B), added par. (45) and struck out former par. (45) which defined “ordinary over-the-counter pseudoephedrine or phenylpropanolamine product”.

Pars. (46) to (48). Pub. L. 109–177, §§ 711(a)(1)(B), added pars. (46) to (48). Former par. (46) redesignated (49).

Par. (49). Pub. L. 109–177, § 711(a)(1)(A), (2)(A), redesignated par. (46) as (49), substituted “ephedrine, pseudoephedrine, or” for “pseudoephedrine or” in subpar. (A), redesignated subpar. (C) as (B), and struck out former subpar. (B) which read as follows: “For purposes of this paragraph, sale for personal use means the sale of below-threshold quantities in a single transaction to an individual for legitimate medical use.”

2004—Par. (41). Pub. L. 108–358, § 2(a)(1), realigned margins, added subpar. (A), and struck out former subpar. (A) which defined “anabolic steroid”.

Par. (44). Pub. L. 108–358, § 2(a)(2), inserted “anabolic steroids,” after “marihuana,”.

2002—Pars. (43), (44). Pub. L. 107–273 repealed Pub. L. 104–294, §§ 604(b)(4), 607(j)(2). See 1996 Amendment note below.

2000—Par. (32)(A). Pub. L. 106–172, § 5(a)(1), substituted “subparagraph (C)” for “subparagraph (B)” in introductory provisions.

Par. (32)(B), (C). Pub. L. 106–172, § 5(a)(2), (3), added subpar. (B) and redesignated former subpar. (B) as (C).

Par. (34)(X), (Y). Pub. L. 106–172, § 3(c), added subpar. (X) and redesignated former subpar. (X) as (Y).

Par. (39)(A)(iv)(II). Pub. L. 106–310 substituted “9 grams” for “24 grams” in two places and inserted before semicolon at end “and sold in package sizes of not more than 3 grams of pseudoephedrine base or 3 grams of phenylpropanolamine base”.

1997—Par. (9)(A). Pub. L. 105–115 redesignated cl. (i) as subpar. (A) and struck out cl. (ii) which read as follows: “any derivative of barbituric acid which has been designated by the Secretary as habit forming under section 352(d) of this title; or”.

1996—Par. (26). Pub. L. 104–294, § 607(j)(1), amended par. (26) generally. Prior to amendment, par. (26) read as follows: “The term ‘State’ means any State, territory, or possession of the United States, the District of Columbia, the Commonwealth of Puerto Rico, the Trust Territory of the Pacific Islands, and the Canal Zone.”

Par. (34)(P), (S), (U). Pub. L. 104–237, § 209(1), substituted “Isosafrole” for “Insosafrole” in subpar. (P), “N-Methylephedrine” for “N-Methylepherdrine” in subpar. (S), and “Hydriodic acid” for “Hydriotic acid” in subpar. (U).

Par. (35)(G). Pub. L. 104–237, § 209(2), amended subpar. (G) generally, inserting “(or Methyl Ethyl Ketone)” before period at end.

Par. (35)(I), (J). Pub. L. 104–237, § 204(a), added subpars. (I) and (J).

Par. (39)(A)(iv)(I)(aa). Pub. L. 104–237, § 401(a)(1), (b)(1), substituted “, pseudoephedrine or its salts, optical isomers, or salts of optical isomers, or phenylpropanolamine or its salts, optical isomers, or salts of optical isomers unless otherwise provided by regulation of the Attorney General issued pursuant to section 814(e) of this title, except that any sale of ordinary over-the-counter pseudoephedrine or phenylpropanolamine products by retail distributors shall not be a regulated transaction (except as provided in section 401(d) of the Comprehensive Methamphetamine Control Act of 1996);” for “as the only active medicinal ingredient or contains ephedrine or its salts, optical isomers, or salts of optical isomers and therapeutically insignificant quantities of another active medicinal ingredient;”.

Par. (39)(A)(iv)(II). Pub. L. 104–237, § 401(a)(2), (b)(2), inserted “, pseudoephedrine, phenylpropanolamine,” after “ephedrine” and inserted before semicolon “, except that the threshold for any sale of products containing pseudoephedrine or phenylpropanolamine products by retail distributors or by distributors required to submit reports by section 830(b)(3) of this title shall be 24 grams of pseudoephedrine or 24 grams of phenylpropanolamine in a single transaction”.

Pars. (43), (44). Pub. L. 104–294, §§ 604(b)(4), 607(j)(2), which provided for amendment to section identical to Pub. L. 104–237, § 401(b)(3), below, were repealed by Pub. L. 107–273, § 4002(c)(1).

Pub. L. 104–237, § 401(b)(3), redesignated par. (43), relating to felony drug offense, as (44).

Pars. (45), (46). Pub. L. 104–237, § 401(b)(4), added pars. (45) and (46).

1994—Par. (34)(V), (W). Pub. L. 103–322, § 330024(b), realigned margins and capitalized first letter.

Par. (35). Pub. L. 103–322, § 330024(d)(1), made technical correction to directory language of Pub. L. 103–200, § 2(a)(4)(B). See 1993 Amendment note below.

Par. (39)(A)(iv)(II). Pub. L. 103–322, § 330024(a), substituted “; or” for period at end.

Par. (43). Pub. L. 103–322, § 90105(d), added par. (43) defining “felony drug offense”.

1993—Par. (33). Pub. L. 103–200, § 2(a)(1), substituted “any list I chemical or any list II chemical” for “any listed precursor chemical or listed essential chemical”.

Par. (34). Pub. L. 103–200, § 2(a)(2), substituted “list I chemical” for “listed precursor chemical” and “important to the manufacture” for “critical to the creation” in introductory provisions.

Par. (34)(A), (F), (H). Pub. L. 103–200, § 2(a)(3), inserted “, its esters,” before “and”.

Par. (34)(O). Pub. L. 103–200, § 8(1), (2), redesignated subpar. (P) as (O) and struck out former subpar. (O) which read as follows: “D-lysergic acid.”

Par. (34)(P) to (S). Pub. L. 103–200, § 8(2), redesignated subpars. (Q) to (T) as (P) to (S), respectively. Former subpar. (P) redesignated (O).

Par. (34)(T). Pub. L. 103–200, § 8(2), redesignated subpar. (V) as (T). Former subpar. (T) redesignated (S).

Par. (34)(U). Pub. L. 103–200, § 8(1), (2), redesignated subpar. (X) as (U) and struck out former subpar. (U) which read as follows: “N-ethylephedrine.”

Par. (34)(V). Pub. L. 103–200, § 8(2), (4), added subpar. (V) and redesignated former subpar. (V) as (T).

Par. (34)(W). Pub. L. 103–200, § 8(1), (4), added subpar. (W) and struck out former subpar. (W) which read as follows: “N-ethylpseudoephedrine.”

Par. (34)(X). Pub. L. 103–200, § 8(2), (3), redesignated subpar. (Y) as (X) and substituted “through (U)” for “through (X)”.

Par. (34)(Y). Pub. L. 103–200, § 8(2), redesignated subpar. (Y) as (X).

Par. (35). Pub. L. 103–200, § 2(a)(4)(A), (C), substituted “list II chemical” for “listed essential chemical” and struck out “as a solvent, reagent, or catalyst” before “in manufacturing”.

Pub. L. 103–200, § 2(a)(4)(B), as amended by Pub. L. 103–322, § 330024(d)(1), inserted “(other than a list I chemical)” before “specified” the first time appearing.

Par. (37). Pub. L. 103–200, § 9(a), amended par. (37) generally. Prior to amendment, par. (37) read as follows: “The term ‘regular supplier’ means, with respect to a regulated person, a supplier with whom the regulated person has an established business relationship that is reported to the Attorney General.”

Par. (38). Pub. L. 103–200, § 2(a)(5), inserted before period at end “or who acts as a broker or trader for an international transaction involving a listed chemical, a tableting machine, or an encapsulating machine”.

Par. (39)(A). Pub. L. 103–200, §§ 2(a)(6)(A), 7, in introductory provisions, substituted “importation, or exportation of, or an international transaction involving shipment of,” for “importation or exportation of” and inserted “a listed chemical, or if the Attorney General establishes a threshold amount for a specific listed chemical,” before “a threshold amount,”.

Par. (39)(A)(iii). Pub. L. 103–200, § 2(a)(6)(B), inserted “or any category of transaction for a specific listed chemical or chemicals” after “transaction”.

Par. (39)(A)(iv). Pub. L. 103–200, § 2(a)(6)(C), amended cl. (iv) generally. Prior to amendment, cl. (iv) read as follows: “any transaction in a listed chemical that is contained in a drug that may be marketed or distributed lawfully in the United States under the Federal Food, Drug, and Cosmetic Act; or”.

Par. (39)(A)(v). Pub. L. 103–200, § 2(a)(6)(D), inserted before semicolon at end “which the Attorney General has by regulation designated as exempt from the application of this subchapter and subchapter II based on a finding that the mixture is formulated in such a way that it cannot be easily used in the illicit production of a controlled substance and that the listed chemical or chemicals contained in the mixture cannot be readily recovered”.

Par. (40). Pub. L. 103–200, § 2(a)(7), substituted “list I chemical or a list II chemical” for “listed precursor chemical or a listed essential chemical” in two places.

Pars. (42), (43). Pub. L. 103–200, § 2(a)(8), added pars. (42) and (43).

1990—Par. (32)(A). Pub. L. 101–647, § 3599I, substituted “the stimulant” for “the stimulent” in cl. (ii) and “a stimulant” for “a stimulent” in cl. (iii).

Par. (34)(M) to (Y). Pub. L. 101–647, § 2301(a), added subpars. (M) to (Y).

Par. (35)(E). Pub. L. 101–647, § 2301(b), struck out subpar. (E) “Hydriodic acid.”

Par. (41). Pub. L. 101–647, § 1902(b), added par. (41).

1988—Par. (8). Pub. L. 100–690, § 6054(1), inserted “or a listed chemical” after “a controlled substance”.

Par. (11). Pub. L. 100–690, § 6054(2), inserted “or a listed chemical” after “a controlled substance” in two places.

Pars. (33) to (40). Pub. L. 100–690, § 6054(3), added pars. (33) to (40).

1986—Par. (6). Pub. L. 99–514 substituted “Internal Revenue Code of 1986” for “Internal Revenue Code of 1954”.

Par. (14). Pub. L. 99–570, § 1870, and Pub. L. 99–646 amended par. (14) identically, substituting “any optical” for “the optical” in second and third sentences.

Par. (25). Pub. L. 99–570, § 1003(b)(1), added par. (25). Former par. (25) redesignated (26).

Pars. (26) to (31). Pub. L. 99–570, § 1003(b)(2), redesignated pars. (25) to (30) as (26) to (31), respectively.

Par. (32). Pub. L. 99–570, § 1203, added par. (32).

1984—Pars. (14) to (16). Pub. L. 98–473, § 507(a), added par. (14) and redesignated former pars. (14) to (16) as (15) to (17), respectively.

Par. (17). Pub. L. 98–473, § 507, redesignated former par. (16) as (17), and expanded and revised definition of “narcotic drug”, including within term poppy straw, cocaine, and ecgonine. Former par. (17) redesignated (18).

Pars. (18) to (28). Pub. L. 98–473, § 507(a), redesignated former pars. (17) to (27) as (18) to (28), respectively.

Par. (29). Pub. L. 98–509 which directed the substitution of “one hundred and eighty” for “twenty-one” in par. (28), was executed to par. (29) in view of the redesignation of par. (28) as par. (29) by Pub. L. 98–473.

Pub. L. 98–473, § 507(a), redesignated former par. (28) as (29). Former par. (29) redesignated (30).

Par. (30). Pub. L. 98–473, § 507(a), redesignated former par. (29) as (30).

1979—Par. (4). Pub. L. 96–132 substituted provisions defining “Drug Enforcement Administration” for provisions defining “Bureau of Narcotics and Dangerous Drugs”.

1978—Par. (29). Pub. L. 95–633 added par. (29).

1974—Pars. (27), (28). Pub. L. 93–281 added pars. (27) and (28).

### Statutory Notes and Related Subsidiaries

### Effective Date of 2018 Amendment

Pub. L. 115–391, title IV, § 401(c), Dec. 21, 2018, 132 Stat. 5221, provided that: “This section [amending this section and sections 841 and 960 of this title], and the amendments made by this section, shall apply to any offense that was committed before the date of enactment of this Act [Dec. 21, 2018], if a sentence for the offense has not been imposed as of such date of enactment.”

### Effective Date of 2008 Amendment

Pub. L. 110–425, § 3(j), Oct. 15, 2008, 122 Stat. 4832, provided that: In general.—Except as provided in paragraph (2), the amendments made by this Act [enacting section 831 of this title and amending this section and sections 823, 827, 829, 841, 843, 882 and 960 of this title] shall take effect 180 days after the date of enactment of this Act [Oct. 15, 2008].Definition of practice of telemedicine.— In general.—Until the earlier of 3 months after the date on which regulations are promulgated to carry out section 311(h) of the Controlled Substances Act [21 U.S.C. 831(h)], as amended by this Act, or 15 months after the date of enactment of this Act— the definition of the term ‘practice of telemedicine’ in subparagraph (B) of this paragraph shall apply for purposes of the Controlled Substances Act [21 U.S.C. 801 et seq.]; and the definition of the term ‘practice of telemedicine’ in section 102(54) of the Controlled Substances Act [21 U.S.C. 802(54)], as amended by this Act, shall not apply. Temporary phase-in of telemedicine regulation.—During the period specified in subparagraph (A), the term ‘practice of telemedicine’ means the practice of medicine in accordance with applicable Federal and State laws by a practitioner (as that term is defined in section 102 of the Controlled Substances Act (21 U.S.C. 802)) (other than a pharmacist) who is at a location remote from the patient and is communicating with the patient, or health care professional who is treating the patient, using a telecommunications system referred to in section 1834(m) of the Social Security Act (42 U.S.C. 1395m(m)), if the practitioner is using an interactive telecommunications system that satisfies the requirements of section 410.78(a)(3) of title 42, Code of Federal Regulations. Rule of construction.—Nothing in this subsection may be construed to create a precedent that any specific course of conduct constitutes the ‘practice of telemedicine’ (as that term is defined in section 102(54) of the Controlled Substances Act, as amended by this Act) after the end of the period specified in subparagraph (A).”

### Effective Date of 2004 Amendment

Pub. L. 108–358, § 2(d), Oct. 22, 2004, 118 Stat. 1664, provided that: “The amendments made by this section [amending this section, section 811 of this title, and provisions set out as a note under this section] shall take effect 90 days after the date of enactment of this Act [Oct. 22, 2004].”

### Effective Date of 2002 Amendment

Pub. L. 107–273, div. B, title IV, § 4002(c)(1), Nov. 2, 2002, 116 Stat. 1808, provided that the amendment made by section 4002(c)(1) is effective Oct. 11, 1996.

### Effective Date of 2000 Amendment

Pub. L. 106–310, div. B, title XXXVI, § 3622(b), Oct. 17, 2000, 114 Stat. 1231, provided that: “The amendments made by subsection (a) [amending this section] shall take effect 1 year after the date of the enactment of this Act [Oct. 17, 2000].”

### Effective Date of 1997 Amendment

Amendment by Pub. L. 105–115 effective 90 days after Nov. 21, 1997, except as otherwise provided, see section 501 of Pub. L. 105–115, set out as a note under section 321 of this title.

### Effective Date of 1996 Amendments

Amendment by section 604(b)(4) of Pub. L. 104–294 effective Sept. 13, 1994, see section 604(d) of Pub. L. 104–294, set out as a note under section 13 of Title 18, Crimes and Criminal Procedure.

Pub. L. 104–237, title IV, § 401(g), Oct. 3, 1996, 110 Stat. 3110, provided that: “Notwithstanding any other provision of this Act [see section 1(a) of Pub. L. 104–237, set out as a Short Title of 1996 Amendments note under section 801 of this title], this section [amending this section and section 814 of this title and enacting provisions set out as a note below] shall not apply to the sale of any pseudoephedrine or phenylpropanolamine product prior to 12 months after the date of enactment of this Act [Oct. 3, 1996], except that, on application of a manufacturer of a particular pseudoephedrine or phenylpropanolamine drug product, the Attorney General may, in her sole discretion, extend such effective date up to an additional six months. Notwithstanding any other provision of law, the decision of the Attorney General on such an application shall not be subject to judicial review.”

### Effective Date of 1994 Amendment

Pub. L. 103–322, title XXXIII, § 330024(f), Sept. 13, 1994, 108 Stat. 2151, provided that: “The amendments made by this section [amending this section and sections 824, 960, and 971 of this title] shall take effect as of the date that is 120 days after the date of enactment of the Domestic Chemical Diversion Control Act of 1993 [Dec. 17, 1993].”

### Effective Date of 1993 Amendment

Pub. L. 103–200, § 11, Dec. 17, 1993, 107 Stat. 2341, provided that: “This Act [enacting section 814 of this title, amending this section and sections 821 to 824, 830, 843, 880, 957, 958, 960, and 971 of this title, and enacting provisions set out as a note under section 801 of this title] and the amendments made by this Act shall take effect on the date that is 120 days after the date of enactment of this Act [Dec. 17, 1993].”

### Effective Date of 1990 Amendment

Pub. L. 101–647, title XIX, § 1902(d), Nov. 29, 1990, 104 Stat. 4852, provided that: “This section [amending this section and section 812 of this title and enacting provisions set out as a note under section 829 of this title] and the amendment made by this section shall take effect 90 days after the date of enactment of this Act [Nov. 29, 1990].”

### Effective Date of 1988 Amendment

Pub. L. 100–690, title VI, § 6061, Nov. 18, 1988, 102 Stat. 4320, provided that: “Except as otherwise provided in this subtitle, this subtitle [subtitle A (§§ 6051–6061) of title VI of Pub. L. 100–690, enacting section 971 of this title, amending this section and sections 830, 841 to 843, 872, 876, 881, 960, and 961 of this title, and enacting provisions set out as notes under this section and section 971 of this title] shall take effect 120 days after the enactment of this Act [Nov. 18, 1988].”

### Effective Date of 1978 Amendment

Amendment by Pub. L. 95–633 effective on date the Convention on Psychotropic Substances enters into force in the United States [July 15, 1980], see section 112 of Pub. L. 95–633, set out as an Effective Date note under section 801a of this title.

### Regulations

Pub. L. 110–425, § 3(k)(1), Oct. 15, 2008, 122 Stat. 4833, provided that: “The Attorney General may promulgate and enforce any rules, regulations, and procedures which may be necessary and appropriate for the efficient execution of functions under this Act [see Short Title of 2008 Amendment note set out under section 801 of this title] or the amendments made by this Act, and, with the concurrence of the Secretary of Health and Human Services where this Act or the amendments made by this Act so provide, promulgate any interim rules necessary for the implementation of this Act or the amendments made by this Act, prior to its effective date [see Effective Date of 2008 Amendment note above].”

Pub. L. 98–509, title III, § 301(b), Oct. 19, 1984, 98 Stat. 2364, provided that: “The Secretary of Health and Human Services shall, within ninety days of the date of the enactment of this Act [Oct. 19, 1984], promulgate regulations for the administration of section 102(28) of the Controlled Substances Act [21 U.S.C. 802(29)] as amended by subsection (a) and shall include in the first report submitted under section 505(b) [503(b)] of the Public Health Service Act [former 42 U.S.C. 290aa–2(b)] after the expiration of such ninety days the findings of the Secretary with respect to the effect of the amendment made by subsection (a).”

### Construction of 2008 Amendment

Pub. L. 110–425, § 4, Oct. 15, 2008, 122 Stat. 4834, provided that: “Nothing in this Act [see Short Title of 2008 Amendment note set out under section 801 of this title] or the amendments made by this Act shall be construed as authorizing, prohibiting, or limiting the use of electronic prescriptions for controlled substances.”

### Preservation of State Authority To Regulate Scheduled Listed Chemicals

Pub. L. 109–177, title VII, § 711(g), Mar. 9, 2006, 120 Stat. 263, provided that: “This section [amending this section and sections 830, 841, 842, and 844 of this title and enacting provisions set out as notes under sections 830 and 844 of this title] and the amendments made by this section may not be construed as having any legal effect on section 708 of the Controlled Substances Act [21 U.S.C. 903] as applied to the regulation of scheduled listed chemicals (as defined in section 102(45) of such Act [21 U.S.C. 802(45)]).”

### Report on Diversion of Ordinary, Over-the-Counter Pseudoephedrine and Phenylpropanolamine Products

Pub. L. 106–310, div. B, title XXXVI, § 3642, Oct. 17, 2000, 114 Stat. 1237, provided that: Study.—The Attorney General shall conduct a study of the use of ordinary, over-the-counter pseudoephedrine and phenylpropanolamine products in the clandestine production of illicit drugs. Sources of data for the study shall include the following: Information from Federal, State, and local clandestine laboratory seizures and related investigations identifying the source, type, or brand of drug products being utilized and how they were obtained for the illicit production of methamphetamine and amphetamine. Information submitted voluntarily from the pharmaceutical and retail industries involved in the manufacture, distribution, and sale of drug products containing ephedrine, pseudoephedrine, and phenylpropanolamine, including information on changes in the pattern, volume, or both, of sales of ordinary, over-the-counter pseudoephedrine and phenylpropanolamine products.Report.— Requirement.—Not later than 1 year after the date of the enactment of this Act [Oct. 17, 2000], the Attorney General shall submit to Congress a report on the study conducted under subsection (a). Elements.—The report shall include— the findings of the Attorney General as a result of the study; and such recommendations on the need to establish additional measures to prevent diversion of ordinary, over-the-counter pseudoephedrine and phenylpropanolamine (such as a threshold on ordinary, over-the-counter pseudoephedrine and phenylpropanolamine products) as the Attorney General considers appropriate. Matters considered.—In preparing the report, the Attorney General shall consider the comments and recommendations including the comments on the Attorney General’s proposed findings and recommendations, of State and local law enforcement and regulatory officials and of representatives of the industry described in subsection (a)(2).Regulation of Retail Sales.— In general.—Notwithstanding section 401(d) of the Comprehensive Methamphetamine Control Act of 1996 [Pub. L. 104–237] (21 U.S.C. 802 note) and subject to paragraph (2), the Attorney General shall establish by regulation a single-transaction limit of not less than 24 grams of ordinary, over-the-counter pseudoephedrine or phenylpropanolamine (as the case may be) for retail distributors, if the Attorney General finds, in the report under subsection (b), that— there is a significant number of instances (as set forth in paragraph (3)(A) of such section 401(d) for purposes of such section) where ordinary, over-the-counter pseudoephedrine products, phenylpropanolamine products, or both such products that were purchased from retail distributors were widely used in the clandestine production of illicit drugs; and the best practical method of preventing such use is the establishment of single-transaction limits for retail distributors of either or both of such products. Due process.—The Attorney General shall establish the single-transaction limit under paragraph (1) only after notice, comment, and an informal hearing.”

### Regulation of Retail Sales of Certain Precursor Chemicals; Effect on Thresholds; Combination Ephedrine Products

Pub. L. 104–237, title IV, § 401(d)–(f), Oct. 3, 1996, 110 Stat. 3108, which authorized the Attorney General to establish a single-transaction limit of 24 grams for pseudoephedrine, phenylpropanolamine, and combination ephedrine products for retail distributors, was repealed by Pub. L. 109–177, title VII, § 712(b), Mar. 9, 2006, 120 Stat. 264.

### Exemption for Substances in Paragraph (41)

Pub. L. 101–647, title XIX, § 1903, Nov. 29, 1990, 104 Stat. 4853, as amended by Pub. L. 108–358, § 2(c), Oct. 22, 2004, 118 Stat. 1663, provided that: Drugs for Treatment of Rare Diseases.—If the Attorney General finds that a drug listed in paragraph (41) of section 102 of the Controlled Substances Act (as added by section 2 [1902] of this Act) is— approved by the Food and Drug Administration as an accepted treatment for a rare disease or condition, as defined in section 526 of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 360bb); and does not have a significant potential for abuse, the Attorney General may exempt such drug from any production regulations otherwise issued under the Controlled Substances Act as may be necessary to ensure adequate supplies of such drug for medical purposes. Date of Issuance of Regulations.—The Attorney General shall issue regulations implementing this section not later than 45 days after the date of enactment of this Act [Nov. 29, 1990], except that the regulations required under section 3(a) [former 1903(a)] shall be issued not later than 180 days after the date of enactment of this Act.”