California Code, Health and Safety Code - HSC § 129386

(a) Notwithstanding the rulemaking provisions of the Administrative Procedure Act (Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code), the authority and the department may implement, interpret, or make specific this chapter, in whole or in part, by means of information notices or other similar instructions, without taking any further regulatory action.

(b) For purposes of implementing this chapter, the authority and the department may enter into exclusive or nonexclusive contracts, or amend existing contracts, on a bid or negotiated basis. Contracts entered into or amended pursuant to this subdivision shall be exempt from Chapter 6 (commencing with Section 14825) of Part 5.5 of Division 3 of Title 2 of the Government Code, Section 19130 of the Government Code, Part 2 (commencing with Section 10100) of Division 2 of the Public Contract Code, and the State Administrative Manual, and shall be exempt from the review or approval of any division of the Department of General Services.