A disclaimer is barred by a written waiver of the right to disclaim. A disclaimer of an interest in property is barred if any of the following occurs before the disclaimer becomes effective: The disclaimant accepts the interest sought to be disclaimed; The disclaimant voluntarily assigns, conveys, encumbers, pledges, or transfers the interest sought to be disclaimed or contracts to do so; or A judicial sale of the interest sought to be disclaimed occurs. A disclaimer in whole or in part of the future exercise of a power held in a fiduciary capacity is not barred by its previous exercise. A disclaimer in whole or in part of the future exercise of power not held in a fiduciary capacity is not barred by its previous exercise unless the power is exercisable in favor of the disclaimant. A disclaimer is barred or limited if so provided by law other than this subtitle. A disclaimer of a power over property that is barred by this section is ineffective. A disclaimer of an interest in property that is barred by this section takes effect as a transfer of the interest disclaimed to the persons who would have taken the interest under this subtitle had the disclaimer not been barred.