---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchA"
level: "subchap"
label: "Subchapter A"
heading: "General"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchA"
sections_count: 1032
---

# Subchapter A — General

Title 21 C.F.R. — Food and Drugs › Chapter I — Food and Drug Administration, Department of Health and Human Services

## Contents

- [Part 1 — General Enforcement Regulations](/cfr/21/chI-subchA-part1.md)
- [Part 2 — General Administrative Rulings and Decisions](/cfr/21/chI-subchA-part2.md)
- [Part 3 — Product Jurisdiction](/cfr/21/chI-subchA-part3.md)
- [Part 4 — Regulation of Combination Products](/cfr/21/chI-subchA-part4.md)
- [Part 5 — Organization](/cfr/21/chI-subchA-part5.md)
- [Part 7 — Enforcement Policy](/cfr/21/chI-subchA-part7.md)
- [Part 10 — Administrative Practices and Procedures](/cfr/21/chI-subchA-part10.md)
- [Part 11 — Electronic Records; Electronic Signatures](/cfr/21/chI-subchA-part11.md)
- [Part 12 — Formal Evidentiary Public Hearing](/cfr/21/chI-subchA-part12.md)
- [Part 13 — Public Hearing Before a Public Board of Inquiry](/cfr/21/chI-subchA-part13.md)
- [Part 14 — Public Hearing Before a Public Advisory Committee](/cfr/21/chI-subchA-part14.md)
- [Part 15 — Public Hearing Before the Commissioner](/cfr/21/chI-subchA-part15.md)
- [Part 16 — Regulatory Hearing Before the Food and Drug Administration](/cfr/21/chI-subchA-part16.md)
- [Part 17 — Civil Money Penalties Hearings](/cfr/21/chI-subchA-part17.md)
- [Part 19 — Standards of Conduct and Conflicts of Interest](/cfr/21/chI-subchA-part19.md)
- [Part 20 — Public Information](/cfr/21/chI-subchA-part20.md)
- [Part 21 — Protection of Privacy](/cfr/21/chI-subchA-part21.md)
- [Part 25 — Environmental Impact Considerations](/cfr/21/chI-subchA-part25.md)
- [Part 50 — Protection of Human Subjects](/cfr/21/chI-subchA-part50.md)
- [Part 54 — Financial Disclosure by Clinical Investigators](/cfr/21/chI-subchA-part54.md)
- [Part 56 — Institutional Review Boards](/cfr/21/chI-subchA-part56.md)
- [Part 58 — Good Laboratory Practice for Nonclinical Laboratory Studies](/cfr/21/chI-subchA-part58.md)
- [Part 60 — Patent Term Restoration](/cfr/21/chI-subchA-part60.md)
- [Part 70 — Color Additives](/cfr/21/chI-subchA-part70.md)
- [Part 71 — Color Additive Petitions](/cfr/21/chI-subchA-part71.md)
- [Part 73 — Listing of Color Additives Exempt from Certification](/cfr/21/chI-subchA-part73.md)
- [Part 74 — Listing of Color Additives Subject to Certification](/cfr/21/chI-subchA-part74.md)
- [Part 80 — Color Additive Certification](/cfr/21/chI-subchA-part80.md)
- [Part 81 — General Specifications and General Restrictions for Provisional Color Additives for Use in Foods, Drugs, and Cosmetics](/cfr/21/chI-subchA-part81.md)
- [Part 82 — Listing of Certified Provisionally Listed Colors and Specifications](/cfr/21/chI-subchA-part82.md)
- [Part 83-98 — Parts 83-98 [reserved]](/cfr/21/chI-subchA-part83-98.md)
- [Part 99 — Dissemination of Information on Unapproved/new Uses for Marketed Drugs, Biologics, and Devices](/cfr/21/chI-subchA-part99.md)