Versions of Washington Code 69.41.125 - Interchangeable biological product may be substituted for biological product -- Exception -- Wholesale price less on LawServer 2023 Washington Code 69.41.125 – Interchangeable biological product may be substituted for biological product — Exception — Wholesale price less 2022 Washington Code 69.41.125 – Interchangeable biological product may be substituted for biological product–Exception–Wholesale price less 2020 Washington Code 69.41.125 – Interchangeable biological product may be substituted for biological product — Exception — Wholesale price less 2019 Washington Code 69.41.125 2018 Washington Code 69.41.125 – Interchangeable biological product may be substituted for biological product — Exception — Wholesale price less