Iowa Code § 317.9
Unless otherwise provided, responsibility for the enforcement of the provisions of this chapter shall be vested in the board of supervisors as to all of the following:
[S13, §1565-c, -d, -f; C24, 27, 31, 35, §4817; C39, §4829.09; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §317.9] 2019 Acts, ch 59, §89