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FEDERAL REGISTER · NOTICESeptember 9, 2025

Classification Categories for Certain Supplements Under Biosimilar User Fee Amendments III; Guidance for Industry; Availability

Document type
Notice
Agency
Health and Human Services Department
Published
September 9, 2025
Document number
2025-17290
ABSTRACT

The Food and Drug Administration (FDA or Agency) is announcing the availability of a final guidance for industry entitled "Classification Categories for Certain Supplements Under BsUFA III." This guidance provides recommendations for applicants on classification categories A, B, C, D, E, and F for original and resubmitted prior approval supplements submitted to approved applications for biosimilar and interchangeable biosimilar products under the Public Health Service Act (PHS Act). The commitment letter associated with the Biosimilar User Fee Amendments of 2022 (BsUFA III) sets forth these supplement classification categories and their associated review performance goals. This guidance is intended to help applicants identify the appropriate classification category and review goal date of the supplement being submitted. This guidance finalizes and replaces the draft guidance of the same title issued on August 11, 2023.

Abstract as published in the Federal Register.

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Document details are published in the U.S. Federal Register; SPEQ surfaces them for reference and is not affiliated with or endorsed by the FDA or the Office of the Federal Register. The authoritative text is on federalregister.gov.