An appointment made by will in the exercise of a power is not valid unless it is so executed that it would be valid for the disposition of the property to which the power applies if it belonged to the testator.
D.C. Code § 18-108
Execution of power by will
Sept. 14, 1965, 79 Stat. 687, Pub
Official source: D.C. Law Library (Council of the District of Columbia). Reproduced from public-domain District of Columbia statutes; confirm against the official source for the current text. Not legal advice.