2023 Washington Code 51.08.181 – “Worker” — Registered contractor and electrician exclusions

2022 Washington Code 51.08.181 – “Worker”–Registered contractor and electrician exclusions

2020 Washington Code 51.08.181 – “Worker” — Registered contractor and electrician exclusions

2019 Washington Code 51.08.181

2018 Washington Code 51.08.181 – “Worker” — Registered contractor and electrician exclusions

2016 Washington Code 51.08.181 – “Worker”–Registered contractor and electrician exclusions

2015 Washington Code 51.08.181 – “Worker”–Registered contractor and electrician exclusions

2014 Washington Code 51.08.181 – “Worker” — Registered contractor and electrician exclusions

2013 Washington Code 51.08.181 – “Worker” — Registered contractor and electrician exclusions

2009 Washington Code 51.08.181 – Worker — Registered contractor and electrician exclusions