(a) The commission may not allow as a cost or expense for ratemaking purposes:
(1) an expenditure for legislative advocacy; or
(2) an expenditure described by Section 52.254 that the commission determines to be not in the public interest.
(b) The commission may allow as a cost or expense reasonable charitable or civic contributions not to exceed the amount approved by the commission.
Official text of the Texas Utilities Code as published by the Texas Legislative Council.