Versions of Washington Code 41.59.937 - Collective bargaining agreements not altered or impaired -- Compliance with chapter -- 2017 3rd sp.s. c 13 on LawServer 2023 Washington Code 41.59.937 – Collective bargaining agreements not altered or impaired — Compliance with chapter — 2017 3rd sp.s. c 13 2022 Washington Code 41.59.937 – Collective bargaining agreements not altered or impaired–Compliance with chapter–2017 3rd sp.s. c 13 2020 Washington Code 41.59.937 – Collective bargaining agreements not altered or impaired — Compliance with chapter — 2017 3rd sp.s. c 13 2019 Washington Code 41.59.937 – Collective bargaining agreements not altered or impaired — Compliance with chapter — 2017 3rd sp.s. c 13 2018 Washington Code 41.59.937 – Collective bargaining agreements not altered or impaired — Compliance with chapter — 2017 3rd sp.s. c 13