California Code, Health and Safety Code - HSC § 102600

(a) Upon receipt by the State Registrar of an application for delayed registration of birth and payment of the required fee, he or she shall review the application together with the affidavits and documentary evidence accompanying it and shall accept the application if the application and evidence submitted comply with this chapter. After acceptance by the State Registrar the application shall constitute a delayed certificate of birth, and the State Registrar shall permanently preserve the certificates in a systematic manner and shall prepare and maintain a comprehensive and continuous index of all the certificates.

(b) In processing applications for the delayed registration of birth pursuant to this section, the State Registrar shall give priority to an application for a child who has been adjudged a dependent child of, and who is subject to the jurisdiction of, the juvenile court, pursuant to Section 300 of the Welfare and Institutions Code.