Unless the restriction or condition is authorized by this title, a restriction or condition placed on a check in payment of delinquent taxes by the maker that purports to limit the amount of delinquent taxes owed to an amount less than that stated in the applicable delinquent tax roll, or a restriction or condition placed on a check in payment of penalties and interest on delinquent taxes by the maker that purports to limit the amount of the penalties and interest to an amount less than the amount of penalties and interest accrued on the delinquent taxes, is void.
Tex. Tax Code § 33.10