Sec. 52.252.  DEPRECIATION ACCOUNT.  The commission shall require each public utility to carry a proper and adequate depreciation account in accordance with:
(1)  the rates and methods prescribed by the commission under Section 53.056;  and
(2)  any other rule the commission adopts.
Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.