U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 21Chapter IPart 211Subpart I - Subpart I—Laboratory Controls
§ 211.160 - General requirements.
§ 211.165 - Testing and release for distribution.
§ 211.166 - Stability testing.
§ 211.167 - Special testing requirements.
§ 211.170 - Reserve samples.
§ 211.173 - Laboratory animals.
§ 211.176 - Penicillin contamination.
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