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Regulations last checked for updates: Dec 16, 2025
Title 21 - Food and Drugs last revised: Dec 04, 2025
All Titles
Title 21
Chapter I
Part 821
Subpart A - Subpart A—General Provisions
§ 821.1 - Scope.
§ 821.2 - Exemptions and variances.
§ 821.3 - Definitions.
§ 821.4 - Imported devices.
authority:
21 U.S.C. 331
,
351
,
352
,
360
,
360
e,
360
h,
360
i,
371
,
374
source:
58 FR 43447, Aug. 16, 1993, unless otherwise noted.
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