Versions of See prior versions of a law on LawServer 2023 Oregon Statutes 548.910 – Manner of signing petition; form of petition; withdrawal of signature after filing of petition prohibited 2021 Oregon Statutes 548.910 – Manner of signing petition; form of petition; withdrawal of signature after filing of petition prohibited 2019 Oregon Statutes 548.910 – Manner of signing petition; form of petition; withdrawal of signature after filing of petition prohibited 2017 Oregon Statutes 548.910 – Manner of signing petition; form of petition; withdrawal of signature after filing of petition prohibited 2015 Oregon Statutes 548.910 – Manner of signing petition; form of petition; withdrawal of signature after filing of petition prohibited 2013 Oregon Statutes 548.910 – Manner of signing petition; form of petition; withdrawal of signature after filing of petition prohibited 2009 Oregon Statutes 548.910 – Manner of signing petition; form of petition; withdrawal of signature after filing of petition prohibited