CFR - Code of Federal Regulations Title 21

This information is current as of Dec 22, 2023.

This online reference for CFR Title 21 is updated once a year. For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

This database includes a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the Federal Government. Title 21 of the CFR is reserved for rules of the Food and Drug Administration.

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