Any liquid petroleum vendor who properly remits tax under this chapter may retain an amount equal to the percentage of tax remitted as follows:

(1) Two percent of the first twenty–five thousand gallons taxed each month;

(2) One percent on the gallons taxed in excess of twenty–five thousand each month;

(3) The maximum amount retained each month shall be five hundred dollars.

Source: SL 1995, ch 71, § 40.