The tax on malt beverages shall be paid by a remittance payable to the comptroller and forwarded with any required sworn statements of taxes due to the commission in Austin on or before the due date. A discount of two percent of the amount due shall be withheld by the permittee or licensee for keeping records, furnishing bonds, and properly accounting for the remittance of the tax due. No discount is permitted if the tax is delinquent at the time of payment.
Tex. Alco. Bev. Code § 203.10