---
kind: "section"
citation: "21 C.F.R. § 510.202"
title: "21"
number: "510.202"
heading: "Definitions."
url: "https://uscodex.org/cfr/21/510.202"
---

# §510.202. Definitions.


The following definitions of terms apply when used in this subpart:

CNADA means an application for conditional approval of a new animal drug submitted under [section 571](/cfr/21/571.md) of the Federal Food, Drug, and Cosmetic Act, and includes all amendments and permissible supplements.

Import tolerance means a tolerance for a residue of a new animal drug not approved or conditionally approved for use in the United States, but present in any imported edible portion of any animal.

NADA means a new animal drug application submitted under [section 512](/cfr/21/512.md) of the Federal Food, Drug, and Cosmetic Act, including all amendments and permissible supplements, for approval of a new animal drug.

Request means a request to establish or amend an import tolerance.


## Notes

### Source

Source: 86 FR 52410, Sept. 21, 2021, unless otherwise noted.

### Authority

Authority: 21 U.S.C. 321, 331, 351, 352, 353, 360b, 371, 379e.

### Source

Source: 40 FR 13807, Mar. 27, 1975, unless otherwise noted.