Versions of See prior versions of a law on LawServer 2023 Washington Code 59.18.255 – Source of income — Landlords prohibited from certain acts — Violation — Penalties 2022 Washington Code 59.18.255 – Source of income–Landlords prohibited from certain acts–Violation–Penalties 2020 Washington Code 59.18.255 – Source of income — Landlords prohibited from certain acts — Violation — Penalties 2019 Washington Code 59.18.255 2018 Washington Code 59.18.255 – Source of income — Landlords prohibited from certain acts — Violation — Penalties