Cal. Welf. & Inst. Code § 11023.5
(a) Any applicant or recipient of benefits under the Aid to Families with Dependent Children, CalFresh, and Medi-Cal programs, who delivers a document which has been requested by the county welfare department shall, upon the applicant’s or recipient’s request, be provided with a written receipt indicating that the county welfare department has received the document. A notice which explains an applicant’s and recipient’s right to receipts upon request shall be prominently posted by the county welfare department at the location where the document is to be delivered. The receipt shall be issued at the time the document is delivered.