Budget amendments to the adopted city budget to permit the appropriation and expenditure of unencumbered and unanticipated balances, or amounts anticipated to be available from sources other than property taxes but which have not been appropriated in the adopted budget shall be prepared as provided in Iowa Code section 384.16 and subject to protest as provided in section 384.19.
All adopted budget amendments to appropriate and expend unanticipated amounts must be certified to the auditor of the county or counties where the city is located and to the director of the department of management.
Iowa Admin. Code r. 545-2.2