On April 27, 2018, USDA’s Agricultural Marketing Service published a proposed rule in the Federal Register to amend the National List of Allowed and Prohibited Substances (National List) based on public input and the National Organic Standards Board’s (NOSB) November 2017 recommendations for livestock and handling.
The 60-day public comment period closes on June 29, 2018. Access the proposed rule (click here) for more information on how to submit comments.
More information on how and why substances are added or removed from the National List is available on The National List page of the AMS website.
In general, synthetic substances are prohibited for crop and livestock production unless specifically allowed and non-synthetic substances are allowed for crop and livestock production unless specifically prohibited.
This proposed rule would make two changes to the National List: