§39-19  Aviation fuel tax, pledge. If at any time the director of finance, with the approval of the governor,shall issue general obligation bonds for the purpose of refunding aviationrevenue bonds, then so long as any general obligation refunding bonds areoutstanding, the State covenants with the holders of the bonds that it willlevy and collect an aviation fuel tax in an amount at least sufficient toprovide for the payment of the principal and interest thereof, which amountsare hereby pledged to the payment of that principal and interest.  The Statereserves the right to issue subsequent bonds, whether general obligation orrevenue bonds, equally secured by a pledge of the revenues of the aviation fueltax. [L 1988, c 28, pt of §3]