92.421.  Distribution of tax to transportation authority — use of funds. — 1.  Not later than the tenth day of each month, the director of revenue shall distribute all moneys due the interstate transportation authority as determined by the director of revenue pursuant to section 92.402 received by him from proceeds of the tax authorized in sections 92.400 to 92.421 in the previous month, less one percent for the cost of collection which shall be deposited in the state general revenue fund, to the interstate transportation authority for the city in which the tax was levied.  The director of revenue may authorize the state treasurer to make refunds for erroneous payments and overpayments, and may redeem any dishonored checks and drafts used in payment of the tax.

  2.  The interstate transportation authority shall use the proceeds of the tax solely for capital improvements for the system.

  3.  The interstate transportation authority shall within ninety days after August 28, 1989, promulgate rules and regulations for a minority/disadvantaged and women business enterprise program for the purchase of goods and services and construction of capital improvements for the authority.