2011 ORS § 60.567¹
(1) If proposed corporate action creating dissenters rights under ORS 60.554 (Right to dissent) is authorized at a shareholders meeting, the corporation shall deliver a written dissenters notice to all shareholders who satisfied the requirements of ORS 60.564 (Notice of intent to demand payment).
(2) The dissenters notice shall be sent no later than 10 days after the corporate action was taken, and shall:
(a) State where the payment demand shall be sent and where and when certificates for certificated shares shall be deposited;
(b) Inform holders of uncertificated shares to what extent transfer of the shares will be restricted after the payment demand is received;
(c) Supply a form for demanding payment that includes the date of the first announcement of the terms of the proposed corporate action to news media or to shareholders and requires that the person asserting dissenters rights certify whether or not the person acquired beneficial ownership of the shares before that date;
(d) Set a date by which the corporation must receive the payment demand. This date may not be fewer than 30 nor more than 60 days after the date the subsection (1) of this section notice is delivered; and