California Welfare And Institutions Code Section 18351

(a) Payments shall be issued by the county welfare department to residential care providers upon receipt of authorization documents from the State Department of Mental Health or a designated county mental health agency. The county welfare department located in the same county as the county mental health agency designated to provide case management services shall be responsible for payment under this section. Authorization documents shall be submitted directly to the county welfare department clerical unit responsible for issuance of warrants and shall include information sufficient to demonstrate that the child meets all eligibility criteria established in regulations by the State Department of Mental Health, developed in consultation with the State Department of Education. (b) The county welfare department shall submit reports to the State Department of Social Services for reimbursement of payments issued to seriously emotionally disturbed children for 24-hour out-of-home care.