Iowa Code § 321G.6
86 Acts, ch 1031, §4; 86 Acts, ch 1235, §2; 89 Acts, ch 244, §8 - 11; 91 Acts, ch 236, §2; 97 Acts, ch 148, §6, 9; 99 Acts, ch 113, §3; 2000 Acts, ch 1019, §1; 2002 Acts, ch 1027, §5; 2004 Acts, ch 1132, § 7; 2005 Acts, ch 138, § 5, 6; 2007 Acts, ch 141, § 8; 2012 Acts, ch 1100, § 10
Referred to in §331.602