Versions of Washington Code 29A.56.086 - Certificate of ascertainment on LawServer 2023 Washington Code 29A.56.086 – Certificate of ascertainment 2022 Washington Code 29A.56.086 – Certificate of ascertainment 2020 Washington Code 29A.56.086 – Certificate of ascertainment 2019 Washington Code 29A.56.086 – Certificate of ascertainment