This part does not apply to any park owned, operated, and maintained by any of the following:
(a) The federal government.
(b) The state.
(c) Any agency or political subdivision of the state.
(d) Any city, county, or city and county.
(Amended by Stats. 2001, Ch. 434, Sec. 21. Effective January 1, 2002. Operative January 1, 2004, by Sec. 44 of Ch. 434, as amended by Stats. 2002, Ch. 1038.)