2020 Washington Code 70.58.055 – Certificates generally

2019 Washington Code 70.58.055

2018 Washington Code 70.58.055 – Certificates generally

2016 Washington Code 70.58.055 – Certificates generally

2015 Washington Code 70.58.055 – Certificates generally

2014 Washington Code 70.58.055 – Certificates generally

2013 Washington Code 70.58.055 – Certificates generally

2009 Washington Code 70.58.055 – Certificates generally