Iowa Code § 123.28
84 Acts, ch 1275, §1; 85 Acts, ch 196, §1; 86 Acts, ch 1020, §1; 86 Acts, ch 1246, §738; 87 Acts, ch 170, §1; 95 Acts, ch 48, §1; 2017 Acts, ch 119, §4; 2018 Acts, ch 1060, §11; 2019 Acts, ch 113, §10; 2022 Acts, ch 1099, §27, 88; 2023 Acts, ch 19, § 2378
See also §321.284
Subsections 1 and 2 amended