# Defining Small Number of Animals for Minor Use Determination; Periodic Reassessment; Confirmation of Effective Date
> **Food and Drug Administration** · Direct final rule; confirmation of effective date. · Published 2022-12-14 · Effective 2022-12-14 · 87 FR 76425
## Document
- **Document number:** 2022-27147
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 87 FR 76425
- **CFR reference:** 21 CFR 516
- **Publication date:** 2022-12-14
- **Effective date:** 2022-12-14
- **HHS docket:** Docket No. FDA-2022-N-1128
## Abstract

The Food and Drug Administration (FDA) is confirming the effective date of December 14, 2022, for the final rule that appeared in the Federal Register of September 15, 2022. The direct final rule revises the "small number of animals" definition for dogs and cats in our existing regulation for new animal drugs for minor use or minor species. This document confirms the effective date of the direct final rule.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/12/14/2022-27147/defining-small-number-of-animals-for-minor-use-determination-periodic-reassessment-confirmation-of)
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