Cal. Health & Safety Code § 113819
(a) “Limited service charitable feeding operation” means an operation for food service to a consumer solely for providing charity, that is conducted by a nonprofit charitable organization operating pursuant to Chapter 10.6 (commencing with Section 114333), and whose food service is limited to any of the following functions:
(3) Heating, portioning, or assembling a small volume of commercially prepared foods or ingredients for same-day food service to the consumer, as follows:
(A) Heating, portioning, or assembling a small volume of commercially prepared foods means food preparation that is restricted to one or more of the following:
(B) Heating, portioning, or assembling a small volume of commercially prepared foods does not include any of the following: