California Code, Health and Safety Code - HSC § 102425.2

(a) If the birth mother is one of the parents listed on the certificate of live birth pursuant to paragraph (4) of subdivision (a) of Section 102425, the birth mother's name, date of birth, and place of birth shall be linked to her medical and social information collected pursuant to subdivision (b) of Section 102425 and paragraph (2) of subdivision (a) of Section 102426. This linkage shall be confidential and may only be accessed, as permitted under subdivision (b) of Section 102426 and Section 102430.

(b) This section shall become operative on January 1, 2016.