Amend CSHB 156 by adding a new section to the bill, appropriately numbered, to read as follows, and renumbering subsequent sections of the bill accordingly: SECTION ____. Section 551.144, Government Code, is amended by adding Subsection (c) to read as follows: (c) It is an affirmative defense to prosecution under Subsection (a) that the member of the governmental body acted in reasonable reliance on a court order or a written interpretation of this chapter contained in an opinion of a court of record, the attorney general, or the attorney for the governmental body.