Versions of Washington Code 50A.25.090 - Disclosure to the federal internal revenue service on LawServer 2023 Washington Code 50A.25.090 – Disclosure to the federal internal revenue service 2022 Washington Code 50A.25.090 – Disclosure to the federal internal revenue service 2020 Washington Code 50A.25.090 – Disclosure to the federal internal revenue service 2019 Washington Code 50A.25.090