---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchD/part300"
level: "part"
label: "Part 300"
heading: "General"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchD-part300"
sections_count: 3
---

# Part 300 — General

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

## Contents

- [Subpart A — Subpart A [Reserved]](/cfr/21/chI-subchD-part300-subpartA.md)
- [Subpart B — Combination Drugs](/cfr/21/chI-subchD-part300-subpartB.md)
- [Subpart C — Substances Generally Prohibited From Drugs](/cfr/21/chI-subchD-part300-subpartC.md)
- [Subpart D — Annual Summary Reporting Requirements.](/cfr/21/chI-subchD-part300-subpartD.md)