# National Organic Program; Amendments to the National List of Allowed and Prohibited Substances (Livestock)
> **Agricultural Marketing Service** · Final rule. · Published 2012-05-15 · Effective 2012-05-16 · 77 FR 28472
## Document
- **Document number:** 2012-11722
- **Category:** organic
- **Sub-agency:** Agricultural Marketing Service
- **Federal Register citation:** 77 FR 28472
- **CFR reference:** 7 CFR 205
- **Publication date:** 2012-05-15
- **Effective date:** 2012-05-16
- **USDA docket:** Document Number AMS-NOP-10-0078
## Abstract

This final rule amends the U.S. Department of Agriculture's (USDA's) National List of Allowed and Prohibited Substances (National List) to enact two recommendations submitted to the Secretary of Agriculture (Secretary) by the National Organic Standards Board (NOSB) on June 20, 2008, and May 30, 2004. This final rule establishes exemptions (uses) for two substances, fenbendazole and moxidectin, along with any restrictive annotations, as parasiticides in organic livestock production.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/05/15/2012-11722/national-organic-program-amendments-to-the-national-list-of-allowed-and-prohibited-substances)
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