(a) The department is authorized, directed, and empowered:

(1) To classify day-care centers; and

(2) To prescribe and set out the kind and quality of buildings, equipment, facilities, and services which day-care centers shall maintain in order to give proper care and training to mentally retarded individuals.

(b) The board shall have the power to adopt and promulgate reasonable rules and regulations for the establishment of standards which in its judgment are necessary to protect the health and lives of mentally retarded individuals.