Sec. 38.003.  RULE OR STANDARD.  (a)  An electric utility may not impose a rule except as provided by this title.
(b)  An electric utility may file with the regulatory authority a standard, classification, rule, or practice the utility follows.
(c)  The standard, classification, rule, or practice continues in force until:
(1)  amended by the utility;  or
(2)  changed by the regulatory authority as provided by this title.
Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.