Section 27-64-310 - Sources of repayment(a) The State of Arkansas Federal Highway Grant Anticipation and Tax Revenue Bonds shall be general obligations of the State of Arkansas secured and payable from the designated revenues and the general revenues of the state.(b) The bonds shall be payable first from the following designated revenues:(1) The portion designated by the State Highway Commission of funds received or to be received from the United States Government as federal highway assistance funding allocated to the state and designated as federal highway interstate maintenance funds; and(2) Revenues derived from the distillate special fuels tax levied under § 26-56-201(e) that are available for expenditure after any distributions required by the Arkansas Highway Financing Act of 1999, § 27-64-201 et seq.(c) If the amount of designated revenues is insufficient to make timely payment of debt service on the bonds, the payment shall be made from the general revenues of the State of Arkansas.(d) In order to secure the payment of debt service, any trust instrument, resolution, or other document setting forth the security for the bondholders may provide for the direct payment of the federal highway assistance funds that are designated revenues directly into a trust fund or to a paying agent for the payment of debt service on the bonds. It shall not be necessary for the funds to be deposited into the State Treasury.