PetProductNews.com: President Signs Pet Food Safety Legislation. 2007-Sep-27: As expected, President Bush signed the Food and Drug Administration Amendments Act of 2007 into law yesterday, Sept. 27. It includes a mandate for the establishment of pet food safety standards and the creation of an early warning system that identifies pet food contamination. The Secretary of Heath and Human Services, in conjunction with the pet industry and veterinarians, is allotted a two-year timetable to come up with the pet food standards and one year to put the pet food recall alert system into place.