Oregon Revised Statutes Corporations and Partnerships § 62.205

(1) A subscription agreement for shares, including membership stock, of a cooperative, where the subscription is entered into before incorporation, or an agreement entered into before incorporation to pay a membership fee is irrevocable for six months unless:

(2) If a subscriber defaults in payment of money or property under a subscription agreement entered into before incorporation, or if a party to an agreement to pay a membership fee defaults in the payment of money or property under an agreement to pay a membership fee entered into before incorporation, the cooperative may collect the amount owed as any other debt. Alternatively, unless the subscription agreement or agreement to pay a membership fee provides otherwise, the cooperative may rescind the agreement if the debt remains unpaid more than 20 days after the cooperative sends written demand for payment to the subscriber or the party.