Versions of Washington Code 59.18.620 - Definitions applicable to RCW 59.18.625 and 59.18.630 on LawServer 2023 Washington Code 59.18.620 – Definitions applicable to RCW 59.18.625 and 59.18.630 2022 Washington Code 59.18.620 – Definitions applicable to RCW 59.18.625 and 59.18.630