INTEREST CHARGED BY RETAILER ON AMOUNTS OF TAXES FINANCED

(a) A retailer who sells taxable items on credit or under any other deferred payment agreement and charges interest or time price differential on the amount of the credit extended for the payment of the sales price of the item and the amount of all sales taxes, and who remits the tax and files tax reports to the comptroller on the basis of the cash system of accounting, shall pay to the comptroller at the time of making each tax report under this chapter an amount calculated according to whichever of the following yields the greater amount: (1) one-half of the amount of interest or time price differential received by the retailer on credit extended to the purchaser for the payment of the amount of all sales taxes imposed; or (2)(A) the amount of interest or time price differential received by the retailer on credit extended to the purchaser for the payment of the amount of all sales taxes imposed, less (B) an amount of interest or time price differential at a rate of nine percent per year received on credit extended by the retailer to the purchaser for the payment of the sales tax. (b) The deduction provided by Paragraph (B) of Subdivision (2) of Subsection (a) of this section is allowed only if the rate of interest or time price differential charged by the retailer on the credit extended for payment of the sales tax and the method of computing the interest or the time price differential are uniform with the rate charged by the retailer on the credit extended on the sales price and the method of computing the interest or time price differential. (c) The reporting, collection, refund, and penalty provisions of this chapter and Subtitle B of this title apply to the payments required by this section, except that Sections 151.423 and 151.424 of this code do not apply to this section. (d) The payments required by this section are in addition to other taxes imposed by this chapter, Chapter 321 of this code, Subchapter I, Chapter 451, Transportation Code, and Subchapter I, Chapter 452, Transportation Code. (e) The revenue received under this section is allocated as provided by Section 151.801 of this code.