Cal. Gov't Code § 65995.2

(a) Notwithstanding any other provision of law, the imposition of any fee, charge, dedication, or other requirement authorized under Section 53080, or Chapter 4.7 (commencing with Section 65970), or both, against any manufactured home or mobilehome that is located within a mobilehome park, or subdivision, cooperative, or condominium for mobilehomes, in which residence is limited to older persons, as defined pursuant to the federal Fair Housing Amendments Act of 1988, is subject to the limits and conditions that are applicable under subdivision (b) of Section 65995 in the case of commercial and industrial development.
(b) Any mobilehome park, or subdivision, cooperative, or condominium for mobilehomes, in which school facilities fees, charges, dedications, or other requirements have been imposed against one or more manufactured homes or mobilehomes in accordance with the limit set forth in subdivision (a) may subsequently choose to permit the residence of persons other than older persons, in which event it shall so notify the appropriate school district and city or county. As a condition of the first sale, subsequent to that notification, of each manufactured home or mobilehome in the mobilehome park, or subdivision, cooperative, or condominium for mobilehomes, payment shall be made to the school district in the amount of the school facilities fee or other requirement applied by the district under Section 53080, or Chapter 4.7 (commencing with Section 65970), or both, to residential development as of the date of that sale, less the amount of any school facilities fees, charges, dedications, or other requirements imposed against that manufactured home or mobilehome in accordance with the limits described in subdivision (a). Any prospective purchaser of a manufactured home or mobilehome that is subject to the requirement set forth in this subdivision shall be given written notice of the existence of that requirement by the seller prior to entering into any contract for that purchase.
(c) Compliance on the part of any manufactured home or mobilehome with any additional fee or other requirement applied by the school district pursuant to subdivision (b), and certification by the appropriate school district of that compliance, shall be required as a condition of the following, as applicable:
1. (1) The close of escrow of the first sale of the manufactured home or mobilehome following the notice required by subdivision (b), where the manufactured home or mobilehome is to be located, installed, or occupied in a mobilehome park that has chosen to permit the residence of persons other than older persons pursuant to subdivision (b) and the sale or transfer of the manufactured home or mobilehome is subject to escrow as provided in Section 18035 or 18035.2 of the Health and Safety Code.
2. (2) The approval of the manufactured home or mobilehomes for initial occupancy pursuant to Section 18551 or 18613 of the Health and Safety Code following the notice required by subdivision (b), where the manufactured home or mobilehome is to be located, installed, or occupied in a mobilehome park that has chosen to permit the residence of persons other than older persons pursuant to subdivision (b), in the event that paragraph (1) does not apply.