# National Organic Program; Amendment to the National List of Allowed and Prohibited Substances (Livestock)
> **Agricultural Marketing Service** · Final rule. · Published 2008-09-18 · Effective 2008-09-19 · 73 FR 54057
## Document
- **Document number:** E8-21785
- **Category:** meat-poultry
- **Sub-agency:** Agricultural Marketing Service
- **Federal Register citation:** 73 FR 54057
- **CFR reference:** 7 CFR 205
- **Publication date:** 2008-09-18
- **Effective date:** 2008-09-19
- **USDA docket:** Docket Number AMS-TM-08-0025
## Abstract

This final rule amends the U.S. Department of Agriculture's (USDA) National List of Allowed and Prohibited Substances (National List) to reflect one recommendation submitted to the Secretary of Agriculture (Secretary) by the National Organic Standards Board (NOSB) on May 22, 2008. Consistent with the recommendation from the NOSB, this final rule revises the annotation of one substance on the National List, Methionine, to extend its use in organic poultry production until October 1, 2010.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/09/18/E8-21785/national-organic-program-amendment-to-the-national-list-of-allowed-and-prohibited-substances)
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