Iowa Code § 279.26: Lease arrangements.

The board of directors of a local school district for which a voter-approved physical plant and equipment levy has been voted pursuant to section 298.2, may enter into a rental or lease arrangement, consistent with the purposes for which the voter-approved physical plant and equipment levy has been voted, for a period not exceeding ten years and not exceeding the period for which the voter-approved physical plant and equipment levy has been authorized by the voters.