65363.
(a) (1) A city council of a city or a board of supervisors of a county shall have exclusive authority to adopt or amend the general plan, or to adopt or amend a specific plan pursuant to Article 8 (commencing with Section 65450) that would do one of the following:(A) Convert any discretionary land use approval necessary for a project, as defined in Section 65931, to a ministerial approval.
(B) Change the land use designation on a parcel or parcels to a more intensive land use designation.
(C) Authorize more intensive land
uses within an existing land use designation.
(2) For purposes of determining what constitutes a more intensive land use designation in subparagraphs (B) and (C) of paragraph (1), industrial uses are considered to be the most intensive land use designation, followed by commercial uses, office uses, residential uses, and then agricultural or open-space uses. For uses not specifically enumerated in the preceding sentence, the intensity of use shall be determined based on the specified use to which its impacts are most closely analogous. “More intensive land use” also includes, but is not limited to, increases in height or density for residential uses, increases in floor area ratio or square footage for mixed-use and commercial uses, and changes from light to heavy industrial uses. The change in uses must have the potential for resulting
in either a direct physical change in the environment or a reasonably foreseeable indirect physical change in the environment.
(b) This section does not apply to any legislative action that does any of the following:
(1) Has the primary purpose or effect of either:
(A) Increasing residential densities or building heights in order to incentivize or accommodate the construction or funding of affordable housing units.
(B) Requiring a percentage of new residential construction to be affordable
to households earning at or below moderate income levels.
(2) Prohibits or otherwise mandates denial of any previously permissible land use.
(3) Establishes an urban growth boundary or urban limit line.
(4) Any other legislative action that does not come within the express terms of subdivision (a).
(c) This section does not affect the referendum powers over any ordinance or resolution.
(d) This section does not affect the authority of a city council or a board of supervisors to submit a ballot measure to the voters
under either of the following circumstances:
(1) Voter approval is required pursuant to any provision of state or local law.
(2) The city council or the board of supervisors conditionally approves a measure and exercises its discretion to submit the measure to the voters for either an advisory vote or for final approval.
(e) Notwithstanding Section 65700, this section shall apply to a charter city.
(f) This section does not apply to an initiative petition if the elections official has completed the certification process described in Section 9114, 9115, or 9211 of the Elections Code, as
applicable, before January 1, 2018.