California Code, Public Utilities Code - PUC § 130615

(a) This chapter shall be enforced by the inspector general.

(b) Any violation of this chapter that is also a violation of other state law or of local or federal law may also be prosecuted by the appropriate authority.

(c) Upon notice of a possible violation of this chapter, the board shall refer the matter to the inspector general for investigation. Upon completion of the investigation, if the matter has been determined not to be criminal in nature and to be of such a nature that it may be disclosed, the inspector general shall report the findings to the board. If the matter is determined to be criminal in nature, the inspector general shall refer the matter to the appropriate enforcement authorities for prosecution.

(d) A board member or their staff shall not use or threaten to use any official action or authority against, or attempt to interfere with, any person acting in good faith to report or otherwise provide information to MTA regarding any activity that may be a violation of this chapter.