# Oral Dosage Form New Animal Drugs; Chlortetracycline Powder
> **Food and Drug Administration** · Final rule. · Published 2000-02-29 · Effective 2000-02-29 · 65 FR 10705
## Document
- **Document number:** 00-4731
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 65 FR 10705
- **CFR reference:** 21 CFR 520
- **Publication date:** 2000-02-29
- **Effective date:** 2000-02-29
## 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 Pennfield Oil Co. The supplemental NADA provides for a revised withdrawal time for use of chlortetracycline (CTC) powder in swine drinking water.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/02/29/00-4731/oral-dosage-form-new-animal-drugs-chlortetracycline-powder)
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