(a) Until the amount of revenue from an authority's sales and use tax collected in a withdrawn unit of election after the effective date of withdrawal and paid to the authority equals the net financial obligation of the unit, the sales and use tax continues to be collected in the territory of the unit of election.
(b) After the amount described by Subsection (a) has been collected or if the share of the authority's assets computed for the unit of election under Section 451.611 is greater than the gross financial obligation of the unit to the authority, the comptroller shall discontinue collecting the tax in the territory of the unit of election.
Official text of the Texas Transportation Code as published by the Texas Legislative Council.