Texas Utilities Code - UTIL § 15.105. Notice

(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:

(c) The commission shall serve the order by registered or certified mail, return receipt requested, to the person's last known address.