Iowa Code § 331.443A

The term of any indebtedness issued or incurred by a county that will be paid in whole or in part with moneys from the secondary road fund of the counties, the farm-to-market road fund, the county bridge construction fund, or the revitalize Iowa’s sound economy fund, or any other moneys that may be allocated from the road use tax fund for use by counties, shall be subject to the provisions of sections 312.2A and 315.4A.