2023 Iowa Code 8A.317 – State purchases — designated biobased products

2022 Iowa Code 8A.317 – State purchases — designated biobased products.

2020 Iowa Code 8A.317 – State purchases — designated biobased products.

2018 Iowa Code 8A.317 – State purchases — designated biobased products.

2016 Iowa Code 8A.317 – State purchases

2014 Iowa Code 8A.317 – State purchases – designated biobased products.

2009 Iowa Code 8A.317 – State purchases — designated biobased products