Versions of Washington Code 70.79.060 on LawServer 2023 Washington Code 70.79.060 – Construction, installation must conform to rules — Inspection certificate 2022 Washington Code 70.79.060 – Construction, installation must conform to rules–Inspection certificate 2020 Washington Code 70.79.060 – Construction, installation must conform to rules — Inspection certificate 2019 Washington Code 70.79.060 2018 Washington Code 70.79.060 – Construction, installation must conform to rules — Inspection certificate 2016 Washington Code 70.79.060 – Construction, installation must conform to rules–Inspection certificate 2015 Washington Code 70.79.060 – Construction, installation must conform to rules–Inspection certificate 2014 Washington Code 70.79.060 – Construction, installation must conform to rules — Inspection certificate 2013 Washington Code 70.79.060 – Construction, installation must conform to rules — Inspection certificate 2009 Washington Code 70.79.060 – Construction, installation must conform to rules — Special installation and operating permits