2023 Iowa Code 535C.7 – Written agreements required

2022 Iowa Code 535C.7 – Written agreements required

2020 Iowa Code 535C.7 – Written agreements required

2018 Iowa Code 535C.7 – Written agreements required

2016 Iowa Code 535C.7 – Written agreements required

2014 Iowa Code 535C.7 – Written agreements required.

2009 Iowa Code 535C.7 – Written agreements required