Versions of Oregon Statutes 166.170 - State preemption on LawServer 2023 Oregon Statutes 166.170 – State preemption 2021 Oregon Statutes 166.170 – State preemption 2019 Oregon Statutes 166.170 – State preemption 2017 Oregon Statutes 166.170 – State preemption 2015 Oregon Statutes 166.170 – State preemption 2013 Oregon Statutes 166.170 – State preemption 2009 Oregon Statutes 166.170 – State preemption