# Brucellosis Class Free States and Certified Brucellosis-Free Herds; Revisions to Testing and Certification Requirements
> **Animal and Plant Health Inspection Service** · Interim rule; extension of comment period. · Published 2011-02-04 · 76 FR 6322
## Document
- **Document number:** 2011-2507
- **Category:** other
- **Sub-agency:** Animal and Plant Health Inspection Service
- **Federal Register citation:** 76 FR 6322
- **CFR reference:** 9 CFR 78
- **Publication date:** 2011-02-04
- **USDA docket:** Docket No. APHIS-2009-0083
## Abstract

We are extending the comment period for an interim rule modifying brucellosis testing, classification, and certification requirements for certain Class Free States. This action will allow interested persons additional time to prepare and submit comments.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/02/04/2011-2507/brucellosis-class-free-states-and-certified-brucellosis-free-herds-revisions-to-testing-and)
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