AAFCO also establishes standard ingredient definitions and nutritional requirements for animal feed/pet food.
[2] Once per year, the latest version of all AAFCO-approved documents is printed in the organization's Official Publication.
However, AAFCO members have enforcement authority in their respective state or federal agencies.
In 2007, the Center for Veterinary Medicine at the FDA formalized its relationship with AAFCO in identifying feed ingredients.
It has been criticized for being too expensive for pet food consumers to access, and by the FDA's legal advisor team for referring to a non-federal document.