D.C. Code § 19-1306.01
The capacity required to create, amend, revoke, or add property to a revocable trust, or to direct the actions of the trustee of a revocable trust, is the same as that required to make a will.
Mar. 10, 2004, D.C. Law 15-104, § 2(b), 51 DCR 208
Uniform Law: This section is based upon § 601 of the Uniform Trust Code.