Cal. Gov. Code § 3130
The Public Employment Relations Board shall have jurisdiction to process unfair practice charges alleging violations of this chapter, but only as to transit district employers where the board has jurisdiction to process unfair practice charges. Should an employee organization file an unfair practice charge with the board under this chapter, the powers and duties of the board described in Section 3541.3 shall apply, as appropriate, to this chapter, and the regulations of the board shall apply to this chapter. The board shall perform its duties under this section consistent with its regulations and may make additional regulations. The board may also adopt, amend, or repeal all rules and regulations necessary to carry out this chapter as emergency regulations in accordance with the rulemaking provisions of the Administrative Procedure Act (Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2). The adoption, amendment, or repeal of regulations pursuant to this section is conclusively presumed to be necessary for the immediate preservation of the public peace, health, safety, or general welfare within the meaning of Section 11346.1.
Ca. Gov. Code § 3130