California Code, Health and Safety Code - HSC § 103080

(a) The person in charge of the place of interment, or the funeral director or person acting as funeral director if no person is in charge, shall sign the permit, endorse upon it the date of interment, hydrolysis, or cremation, and, within 10 days, return the first copy of the permit so endorsed to the local registrar of the district in which the interment took place. The third copy of the permit shall be returned to the office of issuance. After one year, the local registrar may destroy any original or duplicate permit retained by the local registrar pursuant to this section.

(b) This section shall become operative on July 1, 2020.