---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchB/part166"
level: "part"
label: "Part 166"
heading: "Margarine"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchB-part166"
sections_count: 2
---

# Part 166 — Margarine

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

## Contents

- [Subpart A — General Provisions](/cfr/21/chI-subchB-part166-subpartA.md)
- [Subpart B — Requirements for Specific Standardized Margarine](/cfr/21/chI-subchB-part166-subpartB.md)