# New Animal Drugs; Chorionic Gonadotropin; Naloxone; Oxymorphone; Oxytocin
> **Food and Drug Administration** · Final rule. · Published 2012-09-10 · Effective 2012-09-20 · 77 FR 55413
## Document
- **Document number:** 2012-22196
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 77 FR 55413
- **CFR reference:** 21 CFR 510
- **Publication date:** 2012-09-10
- **Effective date:** 2012-09-20
- **HHS docket:** Docket No. FDA-2012-N-0902
## Abstract

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

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/09/10/2012-22196/new-animal-drugs-chorionic-gonadotropin-naloxone-oxymorphone-oxytocin)
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