GOV §65913.10: (a) For purposes of any state or local law, ordinance, or regulation that requires the city or county to determine whether the site of a proposed housing development project is a historic site, the ci

(a) For purposes of any state or local law, ordinance, or regulation that requires the city or county to determine whether the site of a proposed housing development project is a historic site, the city or county shall make that determination at the time the application for the housing development project is deemed complete. A determination as to whether a parcel of property is a historic site shall remain valid during the pendency of the housing development project for which the application was made unless any archaeological, paleontological, or tribal cultural resources are encountered during any grading, site disturbance, or building alteration activities. (b) For purposes of this section: (1) “Deemed complete” means that the application has met all of the requirements specified in the relevant list compiled pursuant to Section 65940 that was available at the time when the application was submitted. (2) “Housing development project” has the same meaning as defined in paragraph (3) of subdivision (b) of Section 65905.5. (c) (1) Nothing in this section supersedes, limits, or otherwise modifies the requirements of, or the standards of review pursuant to, Division 13 (commencing with Section 21000) of the Public Resources Code. (2) Nothing in this section supersedes, limits, or otherwise modifies the requirements of the California Coastal Act of 1976 (Division 20 (commencing with Section 30000) of the Public Resources Code).