There is hereby appropriated to the bureau from the general fund of the state, 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 which would not otherwise be incurred in the administration of the motor vehicle registration laws of this state shall be paid out of the general fund. The state budget agency shall approve all funds paid out of the general fund as required in this section.
IC 6-6-5-16