Antimicrobial Use and Stewardship

CDFA-AUS • 1220 N Street, Sacramento, CA 95814 • 916-576-0300


The Antimicrobial Use & Stewardship (AUS) program will be re-releasing the revised proposed regulations in the near future for additional review and public comment. For more information regarding the regulation status, please see this letter from the AUS program.

All parties signed up on the AUS program listserv will receive a copy of the revised proposed regulations upon publication by the program. Other parties interested may request copy of the regulations by emailing Once published, the regulations will be available at

Regular Rulemaking A graphic that explains the State of California legislative process. Proposed Regulations The comment period is CLOSED. For more information please email

CDFA Animal Health &
Food Safety Services