California Code, Health and Safety Code - HSC § 102225

The State Registrar shall carefully examine the marriage certificates received from the county recorders, and if they are incomplete or unsatisfactory shall require any further information that may be necessary to make the record complete and satisfactory. Any certificates that are determined to be incomplete or unsatisfactory shall be returned to the county recorder within 90 days after receipt by the State Registrar. If a certificate is not returned to the county recorder within 90 days, the State Registrar shall register the certificate as presented.