Iowa Code § 15A.1
87 Acts, ch 183, §2; 90 Acts, ch 1125, §1; 92 Acts, ch 1239, §21; 94 Acts, ch 1008, §14, 15; 99 Acts, ch 197, §22; 2001 Acts, ch7, §1; 2001 Acts, ch 156, §1; 2002 Acts, ch 1162, §27; 2008 Acts, ch 1032, §124; 2014 Acts, ch 1130, §31