Every county assessor may require any taxpayer to furnish a list of all the taxable real and personal property owned by, or in the possession of the taxpayer and situated in the county. The list shall be signed by the taxpayer, or the managing agent or officer, and shall be verified by oath. Only information that will aid the assessor in arriving at the maximum assessed value, assessed value and real market value shall be required in the list.
ORS 308.285