Sec. 104.057. CONSIDERATION OF CERTAIN EXPENSES. (a) In establishing a gas utility's rates, the regulatory authority may not allow as a cost or expense an expenditure: (1) described by Section 102.154 that the regulatory authority determines to be not in the public interest; or (2) for legislative advocacy. (b) The regulatory authority may allow as a cost or expense reasonable charitable or civic contributions not to exceed the amount approved by the regulatory authority. Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.