California Code, Public Utilities Code - PUC § 98171

(a) This chapter shall not displace, or supplant, the requirements of Chapter 3 (commencing with Section 3610) of Division 4.5 of Title 1 of the Government Code, and the impasse resolution and injunctive relief procedures provided for pursuant to Sections 3612 to 3614, inclusive, of the Government Code shall remain exclusive.

(b) The initial determination as to whether the charge of unfair practice is justified and, if so, the appropriate remedy necessary to effectuate the purposes of this chapter, is a matter within the exclusive jurisdiction of the Public Employment Relations Board, except that in an action to recover damages due to an unlawful strike, the Public Employment Relations Board shall not award strike-preparation expenses as damages, and shall not award damages for costs, expenses, or revenue losses incurred during, or as a consequence of, an unlawful strike.