---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "ch13/schI/ptB"
level: "part"
label: "Part B"
heading: "Authority To Control; Standards and Schedules"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/21/ch13-schI-ptB"
sections_count: 4
---

# Part B — Authority To Control; Standards and Schedules

Title 21 — Food and Drugs › Chapter 13 — Drug Abuse Prevention and Control › Subchapter I — Control and Enforcement

## Sections

- [§811. Authority and criteria for classification of substances](/usc/21/811.md)
- [§812. Schedules of controlled substances](/usc/21/812.md)
- [§813. Treatment of controlled substance analogues](/usc/21/813.md)
- [§814. Removal of exemption of certain drugs](/usc/21/814.md)