Iowa Code
Chapter 24 - LOCAL BUDGETS
Section 24.10 - Levies void.

24.10 Levies void.
The verified proof of the publication of such notice shall be filed in the office of the county auditor and preserved by the auditor. No levy shall be valid unless and until such notice is published and filed.
[C24, 27, 31, 35, 39, §376; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §24.10]
Referred to in §24.20, 37.9