Versions of Iowa Code 643.3 - Process on Sunday on LawServer 2023 Iowa Code 643.3 – Process on Sunday 2022 Iowa Code 643.3 – Process on Sunday 2020 Iowa Code 643.3 – Process on Sunday 2018 Iowa Code 643.3 – Process on Sunday 2016 Iowa Code 643.3 – Process on Sunday 2014 Iowa Code 643.3 – Process on Sunday. 2009 Iowa Code 643.3 – Process on Sunday