ORS 125.450: Voidable transactions.

Any sale or encumbrance to a conservator, the spouse, agent or attorney of the conservator, or any corporation or trust in which the conservator has a substantial beneficial interest, or any transaction that is otherwise affected by a substantial conflict of interest is voidable unless the transaction is approved by the court after the filing of a motion with the court seeking approval of the transaction. [1995 c.664 §44] (Desires of Protected Person)