This subchapter does not prohibit or prevent a city from using funds derived from the issuance of general obligation bonds, the levy of special assessments and the issuance of special assessment bonds, and any other source which may be properly used for such purpose, to pay a part of the cost of a project.
Iowa Code § 384.90
Referred to in §26.9, 357E.11A, 389.4, 390.5