California Code, Revenue and Taxation Code - RTC § 6363.8

There are exempted from the taxes imposed by this part the gross receipts from the sale of, and the storage, use or other consumption in this state of, meals and food products for human consumption that are furnished or served by any nonprofit veteran's organization at a social or other gathering conducted by it or under its auspices, if the purpose in furnishing or serving the meals and food products is to obtain revenue for the functions and activities of the organization and the revenue obtained from furnishing or serving the meals and food products is actually used in carrying on those functions and activities.