21 CFR § 510.201 - Scope.

---
identifier: "/us/cfr/t21/s510.201"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 510.201 - Scope."
title_number: 21
title_name: "Food and Drugs"
section_number: "510.201"
section_name: "Scope."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "E"
subchapter_name: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_number: "510"
part_name: "NEW ANIMAL DRUGS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 331, 351, 352, 353, 360b, 371, 379e."
regulatory_source: "40 FR 13807, Mar. 27, 1975, unless otherwise noted."
cfr_part: "510"
---


# 510.201 Scope.

This subpart applies to tolerances for residues of new animal drugs not approved or conditionally approved for use in the United States, but lawfully used in another country and present in imported, animal-derived food and food products.