Section 105.629 - Power to disclaim; general requirements; when irrevocable(1) A person may disclaim, in whole or part, any interest in property or any power over property, including a power of appointment. A person may disclaim the interest or power even if the person who created the interest or power imposed a spendthrift provision or similar restriction on transfer or imposed a restriction or limitation on the right to disclaim.(2) Except to the extent that a fiduciary's right to disclaim is expressly restricted or limited by another statute of this state or by the instrument creating the fiduciary relationship, a fiduciary may disclaim, in whole or part, any interest in property or power over property, including a power of appointment, without regard to whether the fiduciary is acting in a personal or representative capacity. A fiduciary may disclaim the interest or power even if the creator of the interest or power imposed a spendthrift provision or similar restriction on transfer or a restriction or limitation on the right to disclaim, or an instrument other than the instrument that created the fiduciary relationship imposed a restriction or limitation on the right to disclaim.(3) To be effective, a disclaimer must: (a) Be in writing or otherwise recorded by inscription on a tangible medium or by storage in an electronic or other medium in a manner that allows the disclaimer to be retrieved in perceivable form;(b) Declare that the person disclaims the interest in the property or in the power;(c) Describe the interest in property or power over property that is disclaimed;(d) Be signed by the person making the disclaimer; and(e) Be delivered or filed in the manner provided in ORS 105.642.(4) A partial disclaimer may be expressed as a fraction, percentage, monetary amount, term of years, limitation of a power or as any other interest or estate in the property.(5) A disclaimer is irrevocable when the disclaimer is delivered or filed pursuant to ORS 105.642 or when the disclaimer becomes effective as provided in ORS 105.633 to 105.641, whichever occurs later.(6) A disclaimer made under ORS 105.623 to 105.649 is not a transfer, assignment or release.