Versions of Iowa Code 679B.9 - Oath -- rule of evidence on LawServer 2024 Iowa Code 679B.9 – Oath — rule of evidence 2023 Iowa Code 679B.9 – Oath — rule of evidence 2022 Iowa Code 679B.9 – Oath — rule of evidence. 2020 Iowa Code 679B.9 – Oath — rule of evidence. 2018 Iowa Code 679B.9 – Oath — rule of evidence. 2016 Iowa Code 679B.9 – Oath 2014 Iowa Code 679B.9 – Oath – rule of evidence. 2009 Iowa Code 679B.9 – Oath — rule of evidence