There is hereby appropriated to the bureau from the state general fund, from monies not otherwise appropriated, a sum sufficient to defray the expenses incurred by the bureau in the administration of the excise tax provisions of this chapter. Only those expenses that would not otherwise be incurred in the administration of the motor vehicle registration laws of this state shall be paid out of the state general fund. The budget agency shall approve all funds paid out of the state general fund as required in this section.
IC 6-6-5.5-21