The State Registrar shall issue a new birth certificate reflecting a change of sex without a court order for any person born in this state who has undergone clinically appropriate treatment for the purpose of gender transition and submits directly to the State Registrar the affidavit described in subdivision (a) of Section 103430 that includes the signature and physician license number of a licensed physician.
Upon receipt of the documentation and the fee prescribed by Section 103725, the State Registrar shall establish a new birth certificate reflecting the person’s correct sex and any change in name, if accompanied by a court order for a change of name.
Source:
Section 103426, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=103426..