Tex. Util. Code § 17.202
(a) A retail electric provider or a vertically integrated electric utility, not including a municipally owned utility or an electric cooperative, in an area where customer choice has not been introduced shall send a written notice of service disconnection to a municipality before the retail electric provider or vertically integrated electric utility disconnects service to a nonsubmetered master metered multifamily property for nonpayment if:
Added by Acts 2013, 83rd Leg., R.S., Ch. 322 (H.B. 1772), Sec. 2, eff. January 1, 2014.