2024 Iowa Code 468.523 – Vacancies

2023 Iowa Code 468.523 – Vacancies

2022 Iowa Code 468.523 – Vacancies

2020 Iowa Code 468.523 – Vacancies

2018 Iowa Code 468.523 – Vacancies

2016 Iowa Code 468.523 – Vacancies

2014 Iowa Code 468.523 – Vacancies.

2009 Iowa Code 468.523 – Vacancies