2023 Iowa Code 260C.19C – Purchase of designated biobased products

2022 Iowa Code 260C.19C – Purchase of designated biobased products

2020 Iowa Code 260C.19C – Purchase of designated biobased products

2018 Iowa Code 260C.19C – Purchase of designated biobased products

2016 Iowa Code 260C.19C – Purchase of designated biobased products

2014 Iowa Code 260C.19C – Purchase of designated biobased products.

2009 Iowa Code 260C.19C – Purchase of designated biobased products