(

a) Any mobilehome park, constructed on or after January 1, 1982, may be constructed in a manner that will enable manufactured homes, mobilehomes, and multiunit manufactured housing sited in the park to be placed upon a foundation system, and manufactured homes, mobilehomes, and multiunit manufactured housing sited in the park may be placed upon foundation systems, subject to the requirements of

Section 18551. (

b) Notwithstanding subdivision (a), any manufactured home, mobilehome, or multiunit manufactured housing originally sited on or after January 1, 1985, in a mobilehome park constructed prior to January 1, 1982, may be placed upon a foundation system, subject to the requirements of

Section 18551. (

c) Notwithstanding subdivisions (

a) and (b), any manufactured home, mobilehome, or multiunit manufactured housing sited in a mobilehome park which is converted, or in the process of being converted, to resident ownership on or after January 1, 1992, may be placed on a foundation system, subject to the requirements of

Section 18551, and with the approval of the ownership of the park. (

d) With respect to any manufactured home, mobilehome, or multiunit manufactured home sited in a mobilehome park under subdivision (a), (b), or (c), no single structure shall exceed two stories in height. (

e) Notwithstanding subdivisions (

a) and (b), the installation of a manufactured home, mobilehome, or multiunit manufactured housing within a mobilehome park pursuant to

Section shall be subject to prior written approval by the ownership of the mobilehome park. (

f) The number of dwelling units per structure for any manufactured home or mobilehome consisting of two or more dwelling units, or multiunit manufactured housing, sited in a mobilehome park on or after January 1, 2003, shall conform to a zone designation or conditional use permit that currently applies to the park or an amended or new zone designation or conditional use permit that is additionally granted to the park.