Versions of Iowa Code 558.68 - Perpetuities on LawServer 2023 Iowa Code 558.68 – Perpetuities 2022 Iowa Code 558.68 – Perpetuities 2020 Iowa Code 558.68 – Perpetuities 2018 Iowa Code 558.68 – Perpetuities 2016 Iowa Code 558.68 – Perpetuities 2014 Iowa Code 558.68 – Perpetuities. 2009 Iowa Code 558.68 – Perpetuities