21 CFR § 510.305 - Maintenance of copies of approved medicated feed mill licenses to manufacture animal feed bearing or containing new animal drugs.

---
identifier: "/us/cfr/t21/s510.305"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 510.305 - Maintenance of copies of approved medicated feed mill licenses to manufacture animal feed bearing or containing new animal drugs."
title_number: 21
title_name: "Food and Drugs"
section_number: "510.305"
section_name: "Maintenance of copies of approved medicated feed mill licenses to manufacture animal feed bearing or containing new animal drugs."
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"
---


# 510.305 Maintenance of copies of approved medicated feed mill licenses to manufacture animal feed bearing or containing new animal drugs.

Each applicant shall maintain in a single accessible location:

(a) A copy of the approved medicated feed mill license (Form FDA 3448) on the premises of the manufacturing establishment; and

(b) Approved or index listed labeling for each Type B and/or Type C feed being manufactured on the premises of the manufacturing establishment or the facility where the feed labels are generated.

[64 FR 63203, Nov. 19, 1999, as amended at 72 FR 69121, Dec. 6, 2007]