Iowa Code § 422.5
83 Acts, ch 101, §86; 83 Acts, ch 179, §3, 20, 22; 85 Acts, ch 243, §1, 2; 86 Acts, ch 1213, §9; 86 Acts, ch 1232, §1; 86 Acts, ch 1236, §3, 4; 87 Acts, ch 214, §2; 87 Acts, 1st Ex, ch 1, §2; 87 Acts, 2nd Ex, ch 1, §2, 3; 88 Acts, ch 1028, §5 - 11; 89 Acts, ch 228, §4, 5; 89 Acts, ch 251, §11; 89 Acts, ch 268, §2, 3; 89 Acts, ch 296, §41; 91 Acts, ch 159, §7; 91 Acts, ch 196, §1; 92 Acts, 2nd Ex, ch 1001, §217, 218, 224; 96 Acts, ch 1166, §3, 4; 96 Acts, ch 1197, §14, 15, 18; 96 Acts, ch 1219, §27; 97 Acts, ch 8, §1, 2; 97 Acts, ch 111, §2 - 4, 7, 8; 97 Acts, ch 158, §11, 49; 99 Acts, ch 151, §4, 89; 2003 Acts, ch 139, §4; 2006 Acts, ch 1112, §1 - 3, 5; 2006 Acts, ch 1158, §8 - 10; 2007 Acts, ch 126, §65, 112, 116; 2009 Acts, ch 41, §263; 2009 Acts, ch 133, §135; 2011 Acts, ch 41, §17, 23, 24; 2012 Acts, ch 1021, §72
Referred to in § 2.48, 68A.102, 257.21, 422.6, 422.8, 422.10, 422.11B, 422.13, 422.16, 422.21, 422D.2
Subsection 3B takes effect January 1, 2009, and applies to tax years beginning on or after that date; 2006 Acts, ch 1112, §5; 2007 Acts, ch 126, §116
2011 amendment to subsection 2, paragraph b, subparagraph (1), takes effect April 12, 2011, and applies retroactively to January 1, 2008, for tax years ending on or after that date; 2011 Acts, ch 41, §23, 24
Subsection 3, paragraph b amended