California Code, Health and Safety Code - HSC § 1566.8

Notwithstanding any other provision of law, if according to the rules and regulations of a mobilehome park, the park is designated as a family park or a section of a mixed mobilehome park is designated as a family section, no rule, regulation, rental agreement, or any other provision in existence on the effective date of this section shall, directly or indirectly, prohibit a person from operating in any mobilehome in a family park or designated family section, a licensed foster family home.