Sec. 37.155.  APPLICATION OF CONTRACTS.  A contract approved by the commission between retail electric utilities that designates areas and customers to be served by the utilities:
(1)  is valid and enforceable;  and
(2)  shall be incorporated into the appropriate areas of certification.
Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.