2023 Washington Code 19.94.163 – Testing by department — Ensuring enforcement — Issuance of seal of approval — Exception

2022 Washington Code 19.94.163 – Testing by department–Ensuring enforcement–Issuance of seal of approval–Exception

2020 Washington Code 19.94.163 – Testing by department — Ensuring enforcement — Issuance of seal of approval — Exception

2019 Washington Code 19.94.163 – Testing by department — Ensuring enforcement — Issuance of seal of approval — Exception

2018 Washington Code 19.94.163 – Testing by department — Ensuring enforcement — Issuance of seal of approval — Exception

2016 Washington Code 19.94.163 – Testing by department–Ensuring enforcement–Issuance of seal of approval–Exception

2015 Washington Code 19.94.163 – Testing by department–Ensuring enforcement–Issuance of seal of approval–Exception

2014 Washington Code 19.94.163 – Testing by department — Ensuring enforcement — Issuance of seal of approval — Exception

2013 Washington Code 19.94.163 – Testing by department — Ensuring enforcement — Issuance of seal of approval — Exception

2009 Washington Code 19.94.163 – Testing by department — Ensuring enforcement — Issuance of seal of approval — Exception