Iowa Code
Chapter 63 - TIME AND MANNER OF QUALIFYING
Section 63.11 - Oath on bond.

63.11 Oath on bond.
Every civil officer who is required to give bond shall take and subscribe the oath provided for in section 63.10, on the back of the bond, or on a paper attached thereto, to be certified by the officer administering it.
[C51, §331; R60, §561; C73, §675; C97, §1181; C24, 27, 31, 35, 39, §1055; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §63.11]
Officers required to give bonds, chapter 64