The Federal Seed Act, P.L. 76-354 (August 9, 1939), requires accurate labeling and purity standards for seeds in commerce, and prohibits the importation and movement of adulterated or misbranded seeds. The law works in conjunction with the Plant Protection Act of 2000 to authorize the Animal and Plant Health Inspection Service

Animal and Plant Health Inspection Service

Animal and Plant Health Inspection Service is an agency of the United States Department of Agriculture responsible for protecting animal health, animal welfare, and plant health. APHIS is the lead agency for collaboration with other agencies to protect U.S. agriculture from invasive pests and...

 (APHIS) to regulate the importation of field crop, pasture and forage, or vegetable seed that may contain noxious weed seeds. USDA’s Agricultural Marketing Service

Agricultural Marketing Service

The Agricultural Marketing Service is a division of the United States Department of Agriculture, and has programs in five commodity areas: cotton and tobacco; dairy; fruit and vegetable; livestock and seed; and poultry...

is responsible for enforcing the labeling and purity standard provisions.