Versions of See prior versions of a law on LawServer 2023 Washington Code 41.80.310 – Uniformed personnel — Higher education — Negotiations — Certification for interest arbitration 2022 Washington Code 41.80.310 – Uniformed personnel–Higher education–Negotiations–Certification for interest arbitration 2020 Washington Code 41.80.310 – Uniformed personnel — Higher education — Negotiations — Certification for interest arbitration 2019 Washington Code 41.80.310 – Uniformed personnel — Higher education — Negotiations — Certification for interest arbitration