# Oral Dosage Form New Animal Drugs; Phenylbutazone Tablets and Boluses
> **Food and Drug Administration** · Final rule. · Published 2009-01-12 · Effective 2009-01-12 · 74 FR 1146
## Document
- **Document number:** E9-265
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 74 FR 1146
- **CFR reference:** 21 CFR 520
- **Publication date:** 2009-01-12
- **Effective date:** 2009-01-12
- **HHS docket:** Docket No. FDA-2008-N-0039
## Abstract

The Food and Drug Administration (FDA) is amending the animal drug regulations to reflect approval of a supplemental new animal drug application (NADA) filed by First Priority, Inc. The supplemental application provides for revising the description of a 1-gram oral dosage form of phenylbutazone from tablet to bolus.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/01/12/E9-265/oral-dosage-form-new-animal-drugs-phenylbutazone-tablets-and-boluses)
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