Texas Transportation Code - TRANSP § 452.406. Different Subregional Sales and Use Tax Rates

(a) The executive committee by order may direct the comptroller to collect the authority's sales and use tax at different rates in different subregions of the authority, but a rate may not be higher than the maximum rate approved by the voters.

(b) The executive committee must file a certified copy of the order and a map of the boundaries of the subregions with the comptroller.