Cal. Lab. Code § 104
The Labor Commissioner shall, upon the written request of the labor department or other corresponding agency of any other state or of any person, board, officer or commission of such state authorized to act for and on behalf of such labor department or corresponding agency, maintain actions in the courts of this state upon assigned claims for wages, judgments and demands arising in such other state in the same manner and to the same extent that such actions by the Labor Commissioner are authorized when arising in this state; provided, however, that such actions may be commenced and maintained only in those cases where such other state by appropriate legislation or by reciprocal agreement extends a like comity to cases arising in this state.
Ca. Lab. Code § 104