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Regulations last checked for updates: May 22, 2025
Title 21 - Food and Drugs last revised: May 19, 2025
All Titles
Title 21
Chapter I
Part 338 - PART 338—NIGHTTIME SLEEP-AID DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
Subpart A [§ 338.1 - § 338.3] - Subpart A—General Provisions
Subpart B [§ 338.10 - § 338.10] - Subpart B—Active Ingredients
Subpart C [§ 338.50 - § 338.50] - Subpart C—Labeling
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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