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Regulations last checked for updates: Jan 24, 2026
Title 21 - Food and Drugs last revised: Dec 18, 2026
All Titles
Title 21
Chapter I
Part 556
Subpart A - Subpart A—General Provisions
§ 556.1 - Scope.
§ 556.3 - Definitions.
§ 556.5 - General considerations.
authority:
21 U.S.C. 342
,
360b
,
371
source:
84 FR 32993, July 11, 2019, unless otherwise noted.
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