Home / Agencies / HHS / 2026-02331
Final Rule

New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of Sponsor; Change of Sponsor Address

Agency
HHS
Document Number
2026-02331
Published
February 6, 2026
Effective Date
February 6, 2026

Abstract

The Food and Drug Administration (FDA or we) is amending the animal drug regulations to reflect application-related actions for new animal drug applications (NADAs), abbreviated new animal drug applications (ANADAs), and conditionally approved new animal drug applications (CNADAs) during July, August, and September 2025. The animal drug regulations are also being amended to improve their accuracy and readability.

Federal Register Source

This document is published by the Office of the Federal Register, National Archives and Records Administration. Access the full regulatory text, preamble, and docket comments below.

View Full Text on FederalRegister.gov →

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Frequently Asked Questions

What is the 2026-02331 Federal Register document?
Document 2026-02331 is a Final Rule published by the Department of Health and Human Services in the Federal Register on February 6, 2026, with an effective date of February 6, 2026. The Food and Drug Administration (FDA or we) is amending the animal drug regulations to reflect application-related actions for new animal drug applications (NADAs), abbreviated new animal drug applications (ANADAs), and conditionally approved new animal drug applications (CNADAs) during July, August, and September 2025. The animal drug regulations are also being amended to improve their accuracy and readability. View the original at https://www.federalregister.gov/documents/2026/02/06/2026-02331/new-animal-drugs-approval-of-new-animal-drug-applications-withdrawal-of-approval-of-new-animal-drug.
Is document 2026-02331 an economically significant rule?
No. Document 2026-02331 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.

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