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Regulations last checked for updates: Jan 18, 2025
Title 21 - Food and Drugs last revised: Dec 26, 2025
All Titles
Title 21
Chapter I
Part 300
Subpart B - Subpart B—Combination Drugs
§ 300.50 - Fixed-combination prescription drugs for humans.
authority:
21 U.S.C. 331
,
351
,
352
,
355
,
360b
,
360b
bb-0a,
371
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