Oregon Revised Statutes Elections § 260.255

(1) Except as provided in subsection (2) of this section, a filing officer shall preserve each statement filed with the officer under ORS 260.057, 260.076, 260.083, 260.112 or 260.118, or an accurate copy of it, for at least six calendar years.

(2) The Secretary of State shall maintain all data filed electronically under ORS 260.057 on the Internet for at least six calendar years after the date the secretary first makes the data available. After six calendar years, if the data are not maintained on the Internet, the secretary shall retain and dispose of the data in a manner prescribed by the State Archivist. The State Archivist shall consider the value of the data for legal, administrative or research purposes and shall establish rules for procedures for the retention and disposition of data described in this section.