Notwithstanding any other provision of law, a portion of sales, use, and motor vehicle excise tax collections equal to the amount of revenue that would have been generated by a levy of eighty-seven and one-half percent of one mill on the taxable valuation of all property in the state subject to a levy under section 57-15-56 in the previous taxable year must be deposited by the state treasurer in the senior citizen services and programs fund during the period from July first through December thirty-first of each year. The state tax commissioner shall certify to the state treasurer the portion of sales, use, and motor vehicle excise tax revenues which must be deposited in the fund as determined under this section. Revenues deposited in the senior citizen services and programs fund are provided as a standing and continuing appropriation for allocation as provided in subsection 5 of section 57-15-56. Any unexpended and unobligated amount in the senior citizen services and programs fund at the end of any biennium must be transferred by the state treasurer to the state general fund.