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Regulations last checked for updates: Jan 13, 2026
Title 21 - Food and Drugs last revised: Dec 18, 2026
All Titles
Title 21
Chapter I
Part 338
Subpart A - Subpart A—General Provisions
§ 338.1 - Scope.
§ 338.3 - Definition.
authority:
21 U.S.C. 321
,
351
,
352
,
353
,
355
,
360
,
371
source:
54 FR 6826, Feb. 14, 1989, unless otherwise noted.
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