# Withdrawal of Approval of New Animal Drug Applications; Chlortetracycline; Sulfathiazole; Penicillin
> **Food and Drug Administration** · Notification of withdrawal of approval. · Published 2014-03-20 · Effective 2014-03-31 · 79 FR 15540
## Document
- **Document number:** 2014-05883
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 79 FR 15540
- **CFR reference:** 21 CFR 558
- **Publication date:** 2014-03-20
- **Effective date:** 2014-03-31
- **HHS docket:** Docket No. FDA-2014-N-0002
## Abstract

The Food and Drug Administration (FDA) is withdrawing approval of a new animal drug application (NADA) and two abbreviated new animal drug applications (ANADAs) for three-way, fixed-ratio combination drug Type A medicated articles containing chlortetracycline, sulfathiazole, and penicillin. This action is being taken at the sponsor's request because these products are no longer manufactured or marketed.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/03/20/2014-05883/withdrawal-of-approval-of-new-animal-drug-applications-chlortetracycline-sulfathiazole-penicillin)
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