# Animal Drugs, Feeds, and Related Products; Withdrawal of Approval of New Animal Drug Applications; Chorionic Gonadotropin; Cuprimyxin; Diethylcarbamazine; Levamisole; Nitrofurazone; Phenylbutazone; Pyrantel; Tylosin; Tylosin and Sulfamethazine
> **Food and Drug Administration** · Final rule; technical amendment. · Published 2011-03-31 · Effective 2011-04-11 · 76 FR 17776
## Document
- **Document number:** 2011-7560
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 76 FR 17776
- **CFR reference:** 21 CFR 510
- **Publication date:** 2011-03-31
- **Effective date:** 2011-04-11
- **HHS docket:** Docket No. FDA-2011-N-0160
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations by removing those portions that reflect approval of 13 new animal drug applications (NADAs). In a notice published elsewhere in this issue of the Federal Register, FDA is withdrawing approval of these NADAs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/03/31/2011-7560/animal-drugs-feeds-and-related-products-withdrawal-of-approval-of-new-animal-drug-applications)
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