Regulations last checked for updates: Oct 15, 2026

Title 21 - Food and Drugs last revised: Oct 13, 2026
All TitlesTitle 21Chapter IPart 161Subpart A - Subpart A—General Provisions
View all text of Subpart A [§ 161.1 - § 161.30]
§ 161.1 - xxx
Link to an amendment published at 91 FR 65067, Oct. 13, 2026.
authority: 21 U.S.C. 321,341,343,348,371,379e
source: 42 FR 14464, Mar. 15, 1977, unless otherwise noted.
cite as: 21 CFR 161.1
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