# Brucellosis Class Free States and Certified Brucellosis-Free Herds; Revisions to Testing and Certification Requirements
> **Animal and Plant Health Inspection Service** · Final rule; technical amendment. · Published 2015-02-03 · Effective 2015-02-03 · 80 FR 5665
## Document
- **Document number:** 2015-02024
- **Category:** other
- **Sub-agency:** Animal and Plant Health Inspection Service
- **Federal Register citation:** 80 FR 5665
- **CFR reference:** 9 CFR 78
- **Publication date:** 2015-02-03
- **Effective date:** 2015-02-03
- **USDA docket:** Docket No. APHIS-2009-0083
## Abstract

In a final rule that was published in the Federal Register on November 10, 2014, and effective on December 10, 2014, we adopted, with changes, an interim rule that amended the brucellosis regulations to, among other things, reduce the age at which most cattle and domestic bison are included in herd blood tests. In that amendment we intended to include all sexually intact cattle and domestic bison 18 months of age or older in herd blood tests, however we inadvertently omitted the words "or older." This document corrects that error.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/02/03/2015-02024/brucellosis-class-free-states-and-certified-brucellosis-free-herds-revisions-to-testing-and)
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