Versions of Oregon Statutes 447.070 - Plumbing contractor license prerequisite to maintenance of legal action on LawServer 2023 Oregon Statutes 447.070 – Plumbing contractor license prerequisite to maintenance of legal action 2021 Oregon Statutes 447.070 – Plumbing contractor license prerequisite to maintenance of legal action 2019 Oregon Statutes 447.070 – Plumbing contractor license prerequisite to maintenance of legal action 2017 Oregon Statutes 447.070 – Plumbing contractor license prerequisite to maintenance of legal action 2015 Oregon Statutes 447.070 – Plumbing contractor license prerequisite to maintenance of legal action 2013 Oregon Statutes 447.070 – Plumbing contractor license prerequisite to maintenance of legal action