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Regulations last checked for updates: Oct 30, 2026
Title 21 - Food and Drugs last revised: Oct 21, 2026
All Titles
Title 21
Chapter I
Part 343
Subpart A - Subpart A—General Provisions
§ 343.1 - Scope.
§ 343.3 - Definitions.
authority:
21 U.S.C. 321
,
351
,
352
,
353
,
355
,
360
,
371
source:
63 FR 56814, Oct. 23, 1998, unless otherwise noted.
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