Amend CSHB 3 in Article III by adding the following appropriately numbered SECTION and renumbering the other SECTIONS of Article II accordingly. SECTION ____. (a) In any action in state or federal court involving a legal challenge to one or more districts established by this Act, the attorney general may not retain an attorney to assist or advise the attorney general in that representation, if that attorney has been an attorney of record within the last 12 months in any litigation whereby that attorney represented a client who was challenging the validity or constitutionality of any Texas statute.