Cal. Health and Safety Code - HSC § 103300. Section 103300.
(a)
Notwithstanding other provisions in this part relative to amendment of records, whenever the information originally furnished in the medical and health data section of any record of death, fetal death or live birth is modified by supplemental information relative thereto, the certifying physician or coroner having knowledge of this information may make a declaration as provided in Section 2015.5 of the Code of Civil Procedure stating the changes necessary to make the information correct and file it with the state or local registrar.
(b)
This section shall become inoperative on July 1, 2026, and, as of January 1, 2027, is repealed.