Oregon Revised Statutes Property Rights and Transactions § 100.310

(1) Prior to the sale of any dwelling unit which is to be retained as a unit in the conversion condominium without substantial alteration in its physical layout, the declarant shall first offer to sell the respective unit to the tenant who occupies the unit. The offer shall:

(2) The tenant's dwelling unit may not be shown to any prospective purchasers of a conversion condominium unit without the tenant's permission before the termination of the tenancy.

(3) The declarant shall not sell the unit to a person other than the tenant during the 60 days following the termination of an offer to the tenant under subsections (1) and (2) of this section at a price or on terms more favorable to the purchaser than the price or terms offered to the tenant.

(4) After the property has been submitted to the provisions of the Oregon Condominium Act, the declarant, until a unit is offered for sale in accordance with subsections (1) and (2) of this section, shall notify in writing any prospective tenant, prior to the commencement of the tenancy, that the property has been submitted to the provisions of the Oregon Condominium Act and the rights of a tenant under subsections (1) to (3) of this section.