Civil Code § 799.5

The ownership or management may require that a purchaser of a mobilehome that will remain in the subdivision, cooperative, or condominium for mobilehomes, or resident-owned mobilehome park comply with any rule or regulation limiting residency based on age requirements for housing for older persons, provided that the rule or regulation complies with the provisions of the federal Fair Housing Act, as amended by Public Law 104-76, and implementing regulations.