You can submit a written complaint. Please include the brand name, lot number(s), product manufacturer or distributor, and a detailed explanation of your concerns to:
NOP Compliance and Enforcement
USDA, Agricultural Marketing Service
1400 Independence Ave., S.W., Mail Stop 0268
Washington, DC 20250
(202) 720-3252; Attn: C&E Division
To file a complaint in California, please contact the California Department of Food and Agriculture State Organic Program.