321I.9 Exempt vehicles. Registration shall not be required for the following described all-terrain vehicles: 1. All-terrain vehicles owned by the United States, this state, or another state, or by a governmental subdivision thereof, and used for enforcement, search and rescue, or official research and studies, but not for recreational or commercial purposes. 2. All-terrain vehicles used in accordance with section 321.234A, subsection 1, paragraph 'a'. 3. All-terrain vehicles used exclusively as farm implements. 2004 Acts, ch 1132, §52; 2007 Acts, ch 141, §34; 2012 Acts, ch 1100, §41
Iowa Legal Code