Compounding Animal Drugs From Bulk Drug Substances: Compounding Under CGMP in Federally-Registered Facilities; Draft Guidance for Industry; Availability; Agency Information Collection Activities; Proposed Collection; Comment Request
Published Date: 8/28/2026
Notice
Summary
The Food and Drug Administration (FDA, Agency, or we) is announcing the availability of a draft guidance for industry (GFI) #256B entitled "Compounding Animal Drugs from Bulk Drug Substances: Compounding under CGMP in Federally-Registered Facilities." This draft guidance, when finalized, will describe FDA's current thinking regarding the circumstances under which we generally do not intend to take action against the compounding of animal drug products from bulk drug substances (BDS) when done in accordance with Current Good Manufacturing Practice (CGMP) at drug production facilities that are registered with FDA.
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