2023 Iowa Code 142D.4 – Areas where smoking not regulated

2022 Iowa Code 142D.4 – Areas where smoking not regulated

2020 Iowa Code 142D.4 – Areas where smoking not regulated

2018 Iowa Code 142D.4 – Areas where smoking not regulated

2016 Iowa Code 142D.4 – Areas where smoking not regulated

2014 Iowa Code 142D.4 – Areas where smoking not regulated.

2009 Iowa Code 142D.4 – Areas where smoking not regulated