Oregon Revised Statutes Procedure in Civil Proceedings § 18.982

A redemptioner must provide the sheriff with an address to which a redemption notice may be sent and must notify the sheriff of any change in address until the redemptioner transfers the redemptioner's interest in the property, the property is redeemed or the expiration of the time allowed for another redemption, whichever occurs first. Any person who acquires the redemptioner's interest in the property must notify the sheriff of the transfer, provide the sheriff with an address to which a redemption notice may be sent, and notify the sheriff of any change in address until there is a another transfer, the property is redeemed or the expiration of the time allowed for another redemption, whichever occurs first.