Iowa Code § 266.39
87 Acts, ch 225, §230; 99 Acts, ch 91, §1, 2; 2010 Acts, ch 1061, § 180; 2017 Acts, ch 159, §53
For provisions relating to ongoing activities and expenses of the Leopold center for sustainable agriculture administered by the college of agriculture and life sciences at Iowa state university of science and technology, see 2017 Acts, ch 168, §33