Cal. Gov. Code § 11543
If the Legislature directs or authorizes the Department of Technology to maintain, develop, or prescribe processes, procedures, or policies in connection with the administration of its duties under this chapter, Chapter 5.6 (commencing with Section 11545), Part 6.5 (commencing with Section 15250), Section 6611 of the Public Contract Code, or Chapter 3 (commencing with Section 12100) or Chapter 3.5 (commencing with Section 12120) of Part 2 of Division 2 of the Public Contract Code, the action by the department shall be exempt from the rulemaking provisions of the Administrative Procedure Act (Chapter 3.5 (commencing with Section 11340) of Part 1). This section shall apply to actions taken by the department with respect to the State Administrative Manual and the State Contracting Manual.
Ca. Gov. Code § 11543