Versions of See prior versions of a law on LawServer 2023 Washington Code 30B.04.050 – Persons subject to the requirement of a certificate of authority or approval under this title 2022 Washington Code 30B.04.050 – Persons subject to the requirement of a certificate of authority or approval under this title 2020 Washington Code 30B.04.050 – Persons subject to the requirement of a certificate of authority or approval under this title 2019 Washington Code 30B.04.050 – Persons subject to the requirement of a certificate of authority or approval under this title 2018 Washington Code 30B.04.050 – Persons subject to the requirement of a certificate of authority or approval under this title 2016 Washington Code 30B.04.050 – Persons subject to the requirement of a certificate of authority or approval under this title 2015 Washington Code 30B.04.050 – Persons subject to the requirement of a certificate of authority or approval under this title 2014 Washington Code 30B.04.050 – Persons subject to the requirement of a certificate of authority or approval under this title