Cal. Pub. Res. Code § 43200
(a) The board shall prepare and adopt certification regulations for local enforcement agencies. The regulations shall specify requirements that a local agency shall meet before being designated as an enforcement agency. The regulations shall include, but are not limited to, all of the following:
(2)
(B) For the purposes of this paragraph, the board shall adopt regulations for specified enforcement agencies, as defined in subparagraph (C), which meet all of the following requirements:
(b) The regulations adopted pursuant to subdivision (a) shall specify four separate types of certifications for which an enforcement agency may be designated, as follows: