Iowa Code § 322.29
88 Acts, ch 1047, §2; 97 Acts, ch 108, §38; 2000 Acts, ch 1016, §21, 22; 2001 Acts, ch 32, §34; 2006 Acts, ch 1068, §37, 49-51, 57; 2007 Acts, ch 102, §2; 2008 Acts, ch 1018, §27
Section not amended; internal reference change applied