2023 Washington Code 18.310.090 – Owner requirements

2022 Washington Code 18.310.090 – Owner requirements

2020 Washington Code 18.310.090 – Owner requirements

2019 Washington Code 18.310.090 – Owner requirements

2018 Washington Code 18.310.090 – Owner requirements

2016 Washington Code 18.310.090 – Owner requirements

2015 Washington Code 18.310.090 – Owner requirements

2014 Washington Code 18.310.090 – Owner requirements

2013 Washington Code 18.310.090 – Owner requirements