# National Organic Program; Amendments to the National List of Allowed and Prohibited Substances (Crops, Livestock and Processing)
> **Agricultural Marketing Service** · Final rule. · Published 2012-08-02 · Effective 2012-08-03 · 77 FR 45903
## Document
- **Document number:** 2012-18819
- **Category:** organic
- **Sub-agency:** Agricultural Marketing Service
- **Federal Register citation:** 77 FR 45903
- **CFR reference:** 7 CFR 205
- **Publication date:** 2012-08-02
- **Effective date:** 2012-08-03
- **USDA docket:** Document Number AMS-NOP-11-0058
## 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 recommendations submitted to the Secretary of Agriculture (Secretary) by the National Organic Standards Board (NOSB) on October 28, 2010, and April 29, 2011. This final rule amends the annotation for tetracycline for use in organic crop production and adds two substances: formic acid and attapulgite, along with any restrictive annotations, for use in organic livestock production and organic processing, respectively.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/08/02/2012-18819/national-organic-program-amendments-to-the-national-list-of-allowed-and-prohibited-substances-crops)
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