2021 Form OR-18-WC. Report of Tax Payment or Written Affirmation for . Oregon Real Property Conveyance. Submit original form—do not submit photocopy. Page 1 of 2, 150-101-284 (Rev. 07-01-20, ver. 01) 000. Part C—Exemption (transferor) To be completed by transferors who have an exempt transfer, (all others, skip this section and ...