Versions of Iowa Code 512B.21 - Investments on LawServer 2023 Iowa Code 512B.21 – Investments 2022 Iowa Code 512B.21 – Investments 2020 Iowa Code 512B.21 – Investments 2018 Iowa Code 512B.21 – Investments 2016 Iowa Code 512B.21 – Investments 2014 Iowa Code 512B.21 – Investments. 2009 Iowa Code 512B.21 – Investments