When disclaimer barred or limited.

A. A disclaimer is barred by a written waiver of the right to disclaim. B. A disclaimer of an interest in property is barred if any of the following events occur before the disclaimer becomes effective: (1) the disclaimant accepts the interest sought to be disclaimed; (2) the disclaimant voluntarily assigns, conveys, encumbers, pledges or transfers the interest sought to be disclaimed or contracts to do so; or (3) a judicial sale of the interest sought to be disclaimed occurs. C. A disclaimer, in whole or part, of the future exercise of a power held in a fiduciary capacity is not barred by its previous exercise. D. A disclaimer, in whole or part, of the future exercise of a power not held in a fiduciary capacity is not barred by its previous exercise unless the power is exercisable in favor of the disclaimant. E. A disclaimer is barred or limited if so provided by law other than the Uniform Disclaimer of Property Interests Act. F. 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 the Uniform Disclaimer of Property Interests Act had the disclaimer not been barred.