Cal. Gov't Code § 65914.201
(a) A housing development proponent may submit an application for a housing development that is subject to the streamlined, ministerial approval process provided in subdivision (b) and shall not be subject to a conditional use permit or any other discretionary approval if the housing development satisfies all of the following objective standards:
(2)
(A)
(B) For purposes of this paragraph, “objective zoning standards,” “objective subdivision standards,” and “objective design review standards” mean standards that involve no personal or subjective judgment by a public official and are uniformly verifiable by reference to an external and uniform benchmark or criterion available and knowable by both the housing development applicant or proponent and the public official before submittal. These standards may be embodied in alternative objective land use specifications adopted by a city or county, and may include, but are not limited to, housing overlay zones, specific plans, inclusionary zoning ordinances, and density bonus ordinances, subject to the following:
(b)
(1) Notwithstanding any local law, if a local government’s planning director or equivalent position determines that a housing development submitted pursuant to this section is consistent with the objective planning standards specified in subdivision (a) and pursuant to paragraph (3) of this subdivision, the local government shall approve the housing development within 90 days of the submittal of the housing development. Upon a determination that a housing development submitted pursuant to this section is in conflict with any of the objective planning standards specified in subdivision (a), the local government staff or relevant local planning and permitting department that made the determination shall provide the housing development proponent written documentation of which standard or standards the housing development conflicts with, and an explanation for the reason or reasons the housing development conflicts with that standard or standards, as follows: