Iowa Code § 321J.20
86 Acts, ch 1220, §20; 90 Acts, ch 1230, §87, 88; 95 Acts, ch 48, §21; 95 Acts, ch 143, §7; 97 Acts, ch 177, §18 - 20; 98 Acts, ch 1073, §9, 12; 98 Acts, ch 1138, §5, 36, 37; 2000 Acts, ch 1133, §17; 2003 Acts, ch 60, § 7; 2007 Acts, ch 196, § 6; 2010 Acts, ch 1061, § 180; 2010 Acts, ch 1097, §11; 2013 Acts, ch 103, § 16, 17; 2015 Acts, ch 123, § 36, 73; 2016 Acts, ch 1011, § 54; 2017 Acts, ch 76, § 13 - 16; 2018 Acts, ch 1026, § 117; 2018 Acts, ch 1110, §8, 9; 2019 Acts, ch 66, §1; 2020 Acts, ch 1059, §1 -3; 2021 Acts, ch 80, § 186; 2021 Acts, ch 98, §7
Referred to in §321.215, 321.560, 321J.2