(1) The net revenue from the tax imposed by this chapter, after deduction of refunds, shall be paid over to the State Treasurer and held in the General Fund as miscellaneous receipts available generally to meet any expense or obligation of the State of Oregon lawfully incurred.
(2) A working balance of unreceipted revenue from the tax imposed by this chapter may be retained for the payment of refunds, but such working balance may not at the close of any fiscal year exceed the sum of $500,000.
(3) Moneys are continuously appropriated to the Department of Revenue to make:
(a) The refunds authorized under subsection (2) of this section;
(b) The refund payments in excess of tax liability authorized under ORS 315.133; and
(c) The refund payments in excess of tax liability authorized under ORS 315.519.