Versions of Washington Code 9.41.1135 - Firearms sales or transfers -- Use of state firearms background check system on LawServer 2023 Washington Code 9.41.1135 – Firearms sales or transfers — Use of state firearms background check system 2022 Washington Code 9.41.1135 – Firearms sales or transfers–Use of state firearms background check system 2020 Washington Code 9.41.1135 – Firearms sales or transfers — Use of state firearms background check system