Amend CSHB 3 by adding the following SECTION to the bill and renumbering subsequent sections accordingly: SECTION ____. (a) This section applies to a suit brought by an entity subject to the tax under Chapter 171, Tax Code, as amended by this article, contending that the imposition of the tax on the entity is unconstitutional. (b) The suit must be brought in a district court in Travis County. (c) The judgment of the district court may be reviewed only by direct appeal to the supreme court filed on or before the 15th day after the date the district court enters its judgment. The district court shall try the suit and the supreme court shall hear any appeal relating to the suit as expeditiously as possible. (d) If a final judgment upheld on appeal or no longer subject to appeal finds that the tax imposed under Chapter 171, Tax Code, is unconstitutional because of the requirements of Section 24, Article VIII, Texas Constitution, all taxable entities, other than a corporation or limited liability company, shall pay the tax at the rate provided by Section 171.003.