Oregon Revised Statutes Public Lands § 275.188

(1) As used in ORS 275.110 to 275.250, “purchase agreement” means a purchase money mortgage, a purchase money trust deed, a land sale contract or any other written purchase agreement other than an earnest money agreement that requires payment of an earnest money deposit upon execution and payment of the outstanding balance in one additional payment.

(2) As used in ORS 275.190, “for cash,” when used to describe the terms of a sale of county property, includes a sale pursuant to an earnest money agreement that requires payment of an earnest money deposit upon execution and payment of the outstanding balance in one additional payment.