Tex. Loc. Gov't Code § 271.092

Prior to the issuance of any obligation, the governing body of any local government may notify the board of the proposed issuance of an obligation and enter into an agreement with the board to authorize and direct the comptroller to withhold from such local government sufficient money from any payment to which such local government may be entitled and apply so much as shall be necessary to pay the principal of and interest on such obligation then due and to continue withholding additional payments until an amount sufficient to satisfy the amount then due has been met.