---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchE/part502"
level: "part"
label: "Part 502"
heading: "Common or Usual Names for Nonstandardized Animal Foods"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchE-part502"
sections_count: 2
---

# Part 502 — Common or Usual Names for Nonstandardized Animal Foods

Title 21 C.F.R. — Food and Drugs › Chapter I — Food and Drug Administration, Department of Health and Human Services › Subchapter E — Animal Drugs, Feeds, and Related Products

## Sections

- [§502.5. General principles.](/cfr/21/502.5.md)
- [§502.19. Petitions.](/cfr/21/502.19.md)