After the adoption of a resolution ordering such annexation, or a resolution confirming an order of annexation following an election thereon, the secretary shall file a certified copy thereof with a map of the territory thus annexed with the county assessor and the county tax collector of each county in which such annexed territory is situated and with the State Board of Equalization.
Source:
Section 6550.25, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=6550.25..