2024 Iowa Code 17A.11 – Presiding officer, disqualification, substitution

2023 Iowa Code 17A.11 – Presiding officer, disqualification, substitution

2022 Iowa Code 17A.11 – Presiding officer, disqualification, substitution

2020 Iowa Code 17A.11 – Presiding officer, disqualification, substitution

2018 Iowa Code 17A.11 – Presiding officer, disqualification, substitution

2016 Iowa Code 17A.11 – Presiding officer, disqualification, substitution

2014 Iowa Code 17A.11 – Presiding officer, disqualification, substitution.

2009 Iowa Code 17A.11 – Presiding officer, disqualification, substitution