# Withdrawal of Approval of New Animal Drug Applications; Argent Laboratories; Formalin; Tricaine Methanesulfonate
> **Food and Drug Administration** · Final rule. · Published 2014-01-16 · Effective 2014-01-27 · 79 FR 2785
## Document
- **Document number:** 2014-00721
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 79 FR 2785
- **CFR reference:** 21 CFR 510
- **Publication date:** 2014-01-16
- **Effective date:** 2014-01-27
- **HHS docket:** Docket No. FDA-2013-N-0002
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect the withdrawal of approval of two new animal drug applications (NADAs) held by Argent Laboratories. Withdrawal of approval of these NADAs was at the sponsor's request because the products are no longer manufactured or marketed.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/01/16/2014-00721/withdrawal-of-approval-of-new-animal-drug-applications-argent-laboratories-formalin-tricaine)
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