N.D. Cent. Code § 30.1-10.1-07: (2-1110) Disclaimer by appointee, object, or taker in default of exercise of power of appointment

1.The disclaimer by an appointee of a power of appointment takes effect as of the time the instrument by which the holder exercises the power becomes irrevocable.

2.A disclaimer by the object or taker in default of an exercise of a power of appointment takes effect as of the time the instrument creating the power becomes irrevocable.