Act. The Organic Foods Production Act of 1990, as amended 7 U.S.C. 6501 et seq. . Action level. The limit at or above which the Food and Drug Administration .The Organic Foods Production Act OFPA , enacted underle 21 of the 1990 Farm Bill, The Act authorized a new USDA National Organic Program NOP to set national CFR Regulatory Text, 7 CFR Part 205, Subpart A Definitions..The organic standards are captured in the Organic Food Production Act, USDA organic Livestock and Poultry Practices; Access the full set of resources that make up the USDA organic standards Can GMOs be Used in Organic Products?.