Support facility for variable rate bonds

If bonds issued pursuant to this chapter are issued bearing interest at a rate or rates which vary from time to time or with a right of holders to tender the bonds for purchase, or both, the director of finance with the approval of the governing body, may contract for such support facility or facilities and remarketing arrangements as are required to market the bonds to the greatest advantage of the county upon such terms and conditions as the director of finance deems necessary and proper. The director of finance may select and enter into contracts or agreements with the entity or entities providing a support facility; provided that any contract or agreement shall provide, in essence, that any amount due and owing by the county under the contract or agreement on an annual basis shall be subject to annual appropriation by the governing body and any obligation issued or arising pursuant to the terms of the contract or agreement in the form of bonds, notes, or other evidences or indebtedness shall only arise at such time as either: (1) Moneys or securities have been irrevocably set aside for the full payment of a like principal amount of bonds issued pursuant to this part; or (2) A like principal amount of the issue or series of bonds to which the support facility relates are held in escrow by the entity or entities providing the support facility.