(1) The department shall maintain a toll-free telephone number for receiving complaints regarding adult family homes.
(2) An adult family home shall post in a place and manner clearly visible to residents and visitors the department's toll-free complaint telephone number.
(3) No adult family home shall discriminate or retaliate in any manner against a resident on the basis or for the reason that such resident or any other person made a complaint to the department or the long-term care ombuds or cooperated with the investigation of such a complaint.