District of Columbia Code Division III. Decedents' Estates and Fiduciary Relations. § 21-503. Examinations and hearings; subpoenas; witnesses; place.

(a) The Commission shall examine alleged mentally ill persons, inquire into their affairs and the affairs of persons who may be legally liable for their support, and make reports and recommendations to the court.

(b) Except as otherwise provided by this chapter, the Commission may conduct its examinations and hearings either at the courthouse or elsewhere at its discretion. The court may issue subpoenas at the request of the Commission returnable before the Commission, for the appearance of the alleged mentally ill person, witnesses, and persons who may be liable for his support. Commission members who are psychiatrists or qualified psychologists, are competent and compellable witnesses at any trial, hearing or other proceeding conducted pursuant to this chapter and the physician- or psychologist-patient privilege is not applicable.