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Regulations last checked for updates: Nov 05, 2026
Title 21 - Food and Drugs last revised: Nov 02, 2026
All Titles
Title 21
Chapter I
Part 163
Subpart A - Subpart A—General Provisions
§ 163.5 - Methods of analysis.
authority:
21 U.S.C. 321
,
331
,
341
,
343
,
348
,
371
,
379e
source:
58 FR 29529, May 21, 1993, unless otherwise noted.
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