Colorado Revised Statutes Title 19. Children's Code § 19-1-127. Responsibility for placement and care

(a) A county department of human or social services has entered into a voluntary placement agreement with the parent or guardian of the child;

(b) A court, as a result of a petition for review of need of placement, has determined that a county department of human or social services shall have continuing placement and care responsibility of the child who entered care pursuant to a voluntary placement;

(c) A court has awarded legal custody of the child to a county department of human or social services, or has committed the child to the custody of the state department of human services; or

(d) An agency, such as a tribal agency, with which the state department of human services has a contract pursuant to the federal “Social Security Act”, has placement and care responsibility of the child pursuant to a voluntary placement agreement or a court order awarding custody of the child to the agency.