Versions of Iowa Code 260I.9 - Participation requirements on LawServer 2023 Iowa Code 260I.9 – Participation requirements 2022 Iowa Code 260I.9 – Participation requirements 2020 Iowa Code 260I.9 – Participation requirements 2018 Iowa Code 260I.9 – Participation requirements 2016 Iowa Code 260I.9 – Participation requirements 2014 Iowa Code 260I.9 – Participation requirements.