Iowa Code § 135.35
All peace officers of the state when called upon by the department shall enforce its rules and execute the lawful orders of the department within their respective jurisdictions.
[C97, §2572; S13, §2572; C24, 27, 31, 35, 39, §2214; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §135.35]