Labor Code § 1185
CHAPTER 1. Wages, Hours and Working Conditions
The orders of the commission fixing minimum wages, maximum hours, and standard conditions of labor for all employees, when promulgated in accordance with the provisions of this chapter, shall be valid and operative and such orders are hereby expressly exempted from the provisions of Article 5 (commencing with Section 11346) of Chapter 3.5 of Part 1 of Division 3 of Title 2 of the Government Code.