Oregon Revised Statutes Elections § 247.555

(a) At the request of the elector;

(b) Upon the death of the elector;

(c) If the county clerk receives written evidence that the elector has registered to vote in another county in this state or in another state; or

(d) If the elector has not responded to a notice described in ORS 247.563 and has not voted or updated a registration during the period beginning on the date the notice is sent and ending on the day after the date of the second regular general election that occurs after the date the notice was sent.