20 CFR § 266.14 - When representative payment will be stopped.
If an annuitant receiving representative payment shows the Board that he or she is mentally and physically able to manage or direct the management of benefit payments, the Board will make direct payment to the annuitant. Information which the annuitant may give to the Board to support his or her request for direct payment include the following:
(a) A physician's statement regarding the annuitant's condition, or a statement by a medical officer of the institution where the annuitant is or was confined, showing that the annuitant is able to manage or direct the management of his or her funds;
(b) A certified copy of a court order restoring the annuitant's rights in a case where an annuitant was adjudged legally incompetent; or
(c) Other evidence which establishes the annuitant's ability to manage or direct the management of benefits.