2023 Washington Code 82.18.050 – Federal government exempt from tax

2022 Washington Code 82.18.050 – Federal government exempt from tax

2020 Washington Code 82.18.050 – Federal government exempt from tax

2019 Washington Code 82.18.050

2018 Washington Code 82.18.050 – Federal government exempt from tax

2016 Washington Code 82.18.050 – Federal government exempt from tax

2015 Washington Code 82.18.050 – Federal government exempt from tax

2014 Washington Code 82.18.050 – Federal government exempt from tax

2013 Washington Code 82.18.050 – Federal government exempt from tax

2009 Washington Code 82.18.050 – Federal government exempt from tax