(a) A permittee may withhold the payment of the tax under this subchapter on a portion of the gross receipts that remains unpaid by a purchaser if:
(1) during the reporting period in which the mixed beverage is sold, the permittee determines that the unpaid portion will remain unpaid;
(2) the permittee enters the unpaid portion of the sales gross receipts in the permittee’s books as a bad debt; and
(3) the bad debt is claimed as a deduction for federal tax purposes during the same or a subsequent reporting period.
(b) If the portion of a debt determined to be bad under Subsection (a) is paid, the permittee shall report and pay the tax on the portion during the reporting period in which payment is made.

(c) A permittee is entitled to credit or reimbursement for taxes paid on the portion of the gross receipts determined to be worthless and actually charged off for federal income tax purposes.