(a) A powerholder of a power of appointment that is not presently exercisable may contract to exercise or not to exercise the power only if the powerholder: (1) Is also the donor of the power; and (2) Has reserved the power in a revocable trust.
Power to contract: power of appointment not presently exercisable
D.C. Code § 19-1704.06, under Disclaimer or Release; Contract to Appoint or Not to Appoint..
D.C. Code § 19-1704.06