Iowa Code § 85.18
No contract, rule, or device whatsoever shall operate to relieve the employer, in whole or in part, from any liability created by this chapter except as herein provided. This section does not create a private cause of action.
2017 amendment applies to injuries occurring on or after July 1, 2017; 2017 Acts, ch 23, §24
[S13, §2477-m7; C24, 27, 31, 35, 39, §1378; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §85.18] 2017 Acts, ch 23, §2, 24