Versions of Oregon Statutes 813.022 - Proof of treatment on LawServer 2023 Oregon Statutes 813.022 – Proof of treatment 2021 Oregon Statutes 813.022 – Proof of treatment 2019 Oregon Statutes 813.022 – Proof of treatment 2017 Oregon Statutes 813.022 – Proof of treatment 2015 Oregon Statutes 813.022 – Proof of treatment 2013 Oregon Statutes 813.022 – Proof of treatment