California Code, Health and Safety Code - HSC § 53598

(a) For purposes of implementing this part, the department may enter into exclusive or nonexclusive 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, and Part 2 (commencing with Section 10100) of Division 2 of the Public Contract Code and shall be exempt from the review or approval of any division of the Department of General Services.

(b) Any regulations or guidelines that are adopted, amended, or repealed to implement this part shall not be subject to Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code.