exercise of power of appointment. A. A disclaimer of an interest in property 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. B. A disclaimer of an interest in property by an 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. History: Laws 2001, ch. 290, § 10; 1978 Comp., § 46-10-10 recompiled as § 45-2-1110 by Laws 2011, ch. 124, § 101.