Welfare and Institutions Code § 4121

4121.

(a) All expenses incurred in returning these persons to other states shall be paid by this state, the person, or his or her relatives, but the expense of returning residents of this state shall be borne by the states making the returns.

(b) The cost and expense incurred in effecting the transportation of these nonresident persons to the states in which they have residence shall be advanced from the funds appropriated for that purpose, or, if necessary, from the money appropriated for the care of persons who are delinquent or have mental health disorders.