2023 Iowa Code 647.3 – Proof required

2022 Iowa Code 647.3 – Proof required

2020 Iowa Code 647.3 – Proof required

2018 Iowa Code 647.3 – Proof required

2016 Iowa Code 647.3 – Proof required

2014 Iowa Code 647.3 – Proof required.

2009 Iowa Code 647.3 – Proof required