Versions of Iowa Code 493.7 - Certificates of stock on LawServer 2023 Iowa Code 493.7 – Certificates of stock 2022 Iowa Code 493.7 – Certificates of stock 2020 Iowa Code 493.7 – Certificates of stock 2018 Iowa Code 493.7 – Certificates of stock 2016 Iowa Code 493.7 – Certificates of stock 2014 Iowa Code 493.7 – Certificates of stock. 2009 Iowa Code 493.7 – Certificates of stock