Commissioner of human services. Instituting or intervening in legal proceedings, §49-5-18. Adoption. Child brought into state for placement or adoption, §49-5-15. Department of human services. Powers and duties as to adoption services, §49-5-8. Appropriations. Funding of costs of benefits and administration, §49-5-7. Attorney general. Child welfare agencies. Collection of civil penalties, §49-5-12.1. Board of human services.