Oregon Revised Statutes Property Rights and Transactions § 90.525

(1) No landlord shall impose conditions of rental or occupancy which unreasonably restrict the tenant or prospective tenant in choosing a fuel supplier, furnishings, goods, services or accessories.

(2) No landlord of a facility shall require the prospective tenant to purchase a manufactured dwelling or floating home from a particular dealer or one of a group of dealers.

(3) No landlord renting a space for a manufactured dwelling or floating home shall give preference to a prospective tenant who purchased a manufactured dwelling or floating home from a particular dealer.

(4) No manufactured dwelling or floating home dealer shall require, as a condition of sale, a purchaser to rent a space for a manufactured dwelling or floating home in a particular facility or one of a group of facilities.