# Animal Drugs, Feeds, and Related Products; Trichlorfon, etc.; Withdrawal of Approval of NADAs
> **Food and Drug Administration** · Final rule. · Published 2001-05-09 · Effective 2001-05-21 · 66 FR 23588
## Document
- **Document number:** 01-11621
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 66 FR 23588
- **CFR reference:** 21 CFR 510
- **Publication date:** 2001-05-09
- **Effective date:** 2001-05-21
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to remove those portions that reflect approval of 11 new animal drug applications (NADAs) listed below. In a notice published elsewhere in this issue of the Federal Register, FDA is withdrawing approval of the NADAs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/05/09/01-11621/animal-drugs-feeds-and-related-products-trichlorfon-etc-withdrawal-of-approval-of-nadas)
---
*AI Analytics · CC0 1.0*