2024 Iowa Code 8A.311 – Competitive bidding — preferences — reciprocal application — direct purchasing

2023 Iowa Code 8A.311 – Competitive bidding — preferences — reciprocal application — direct purchasing

2022 Iowa Code 8A.311 – Competitive bidding — preferences — reciprocal application — direct purchasing.

2020 Iowa Code 8A.311 – Competitive bidding — preferences — reciprocal application — direct purchasing.

2018 Iowa Code 8A.311 – Competitive bidding — preferences — reciprocal application — direct purchasing.

2016 Iowa Code 8A.311 – Competitive bidding

2014 Iowa Code 8A.311 – Competitive bidding – preferences – reciprocal application – direct purchasing.

2009 Iowa Code 8A.311 – Competitive bidding — preferences — reciprocal application — direct purchasing