Versions of Iowa Code 543B.38 - Request for witnesses on LawServer 2023 Iowa Code 543B.38 – Request for witnesses 2022 Iowa Code 543B.38 – Request for witnesses 2020 Iowa Code 543B.38 – Request for witnesses 2018 Iowa Code 543B.38 – Request for witnesses 2016 Iowa Code 543B.38 – Request for witnesses 2014 Iowa Code 543B.38 – Request for witnesses. 2009 Iowa Code 543B.38 – Request for witnesses