Cal. Food & Agric. Code § 103

Except as is otherwise provided in this chapter, Chapter 2 (commencing with Section 11150) of Part 1 of Division 3 of Title 2 of the Government Code governs and applies to the conduct of the department in every respect the same as if those provisions were set forth in this code, and whenever in that chapter the term “head of the department” or similar designation occurs, for the purpose of this code it means the secretary.