CA Health & Safety Code Section 102335

Each local registrar of births and deaths, except a local registrar of a city and county shall transmit to the county recorder for a special county record at the same time the original certificates are forwarded to the State Registrar a copy of each original birth certificate and death certificate. In lieu of the procedure outlined above in this section, the county recorder may make the copies of certificates for the special county record, in which case the original certificates shall be transmitted by the local registrar to the county recorder for this purpose, after which the county recorder shall forward the original certificates to the State Registrar pursuant to Section 102345.