Cal. Health & Safety Code § 102430
(a) The second section of the certificate of live birth as specified in subdivision (b) of Section 102425, the electronic file of birth information collected pursuant to subparagraphs (B) to (I), inclusive, of paragraph (2) of subdivision (a) of Section 102426, the birth mother linkage collected pursuant to Section 102425.2, and the second section of the certificate of fetal death as specified in Section 103025, are confidential. Access to the confidential portion of any certificate of live birth or fetal death, the electronic file of birth information collected pursuant to subparagraphs (B) to (I), inclusive, of paragraph (2) of subdivision (a) of Section 102426, and the birth mother linkage collected pursuant to Section 102425.2 shall be limited to the following:
(8) The following state government departments requesting the information for official government business purposes as deemed appropriate by the State Registrar, that agree to maintain confidentiality as prescribed by this part:
(b)
(1) The department shall maintain an accurate record of all persons who are given access to the confidential portion of the certificates. The record shall include all of the following: