2023 Iowa Code 261A.40 – Joint and combination projects

2022 Iowa Code 261A.40 – Joint and combination projects

2020 Iowa Code 261A.40 – Joint and combination projects

2018 Iowa Code 261A.40 – Joint and combination projects

2016 Iowa Code 261A.40 – Joint and combination projects

2014 Iowa Code 261A.40 – Joint and combination projects.

2009 Iowa Code 261A.40 – Joint and combination projects