District property, material purchases, revenue, and income and the interest on bonds and notes issued by the district are exempt from any tax imposed by this state or a political subdivision of this state.
Tex. Transp. Code § 173.257
District property, material purchases, revenue, and income and the interest on bonds and notes issued by the district are exempt from any tax imposed by this state or a political subdivision of this state.
Tex. Transp. Code § 173.257