We've written before about various sources of help for low-income people to provide food and veterinary care for their pets. Now, there is a program to provide the nonprofit equivalent of "food stamps" for pets. It's NOT a government program, but instead is run by a nonprofit in New York state. It's for people who are themselves on food stamps, or eligible for them. See this site for an online application. The food itself is available through PetFlow, an online pet food company. There's no cost to the beneficiaries, but there may be a several week wait between application and when you get the stamps. If you have an immediate emergency, try this directory of pet food banks and other resources.