2024 Iowa Code 309.57 – Area service classification

2023 Iowa Code 309.57 – Area service classification

2022 Iowa Code 309.57 – Area service classification

2020 Iowa Code 309.57 – Area service classification

2018 Iowa Code 309.57 – Area service classification

2016 Iowa Code 309.57 – Area service classification

2014 Iowa Code 309.57 – Area service classification.

2009 Iowa Code 309.57 – Area service classification