Versions of See prior versions of a law on LawServer 2023 Washington Code 50A.15.120 – Assignment, pledge, or encumbrance of right to benefits due or payable void — Exemptions 2022 Washington Code 50A.15.120 – Assignment, pledge, or encumbrance of right to benefits due or payable void–Exemptions 2020 Washington Code 50A.15.120 – Assignment, pledge, or encumbrance of right to benefits due or payable void — Exemptions 2019 Washington Code 50A.15.120