(a) Notice of a proposed order must be given not later than the 10th day before the date set for a hearing if the commission requires notice and hearing before issuing the order.
(b) On issuance of an order under Section 15.104 with or without a hearing, the commission shall serve on the person affected by the order an order that:
(1) contains a statement of the charges; and
(2) requires the person immediately to cease and desist from the acts, methods, or practices stated in the order.
(c) The commission shall serve the order by registered or certified mail, return receipt requested, to the person's last known address.