The clerk of the court of each county shall send a copy of every judgment of dissolution of marriage, of legal separation, and of declaration of nullity to the State Registrar monthly. If a judgment of dissolution of marriage is vacated, the clerk of the court shall send a copy of the order or dismissal to the State Registrar.
Source:
Section 103200, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=103200..