Versions of See prior versions of a law on LawServer 2023 Oregon Statutes 548.915 – Determining qualified petition signatures; certificate of county clerk and district secretary 2021 Oregon Statutes 548.915 – Determining qualified petition signatures; certificate of county clerk and district secretary 2019 Oregon Statutes 548.915 – Determining qualified petition signatures; certificate of county clerk and district secretary 2017 Oregon Statutes 548.915 – Determining qualified petition signatures; certificate of county clerk and district secretary 2015 Oregon Statutes 548.915 – Determining qualified petition signatures; certificate of county clerk and district secretary 2013 Oregon Statutes 548.915 – Determining qualified petition signatures; certificate of county clerk and district secretary 2009 Oregon Statutes 548.915 – Determining qualified petition signatures; certificate of county clerk and district secretary