2023 Washington Code 15.21.070 – Exempt sales

2022 Washington Code 15.21.070 – Exempt sales

2020 Washington Code 15.21.070 – Exempt sales

2019 Washington Code 15.21.070 – Exempt sales

2018 Washington Code 15.21.070 – Exempt sales

2016 Washington Code 15.21.070 – Exempt sales

2015 Washington Code 15.21.070 – Exempt sales

2014 Washington Code 15.21.070 – Exempt sales

2013 Washington Code 15.21.070 – Exempt sales

2009 Washington Code 15.21.070 – Exempt sales