District of Columbia Code Division III. Decedents' Estates and Fiduciary Relations. § 21-2401.05. Cooperation between courts.

(1) Hold an evidentiary hearing;

(2) Order a person in that state to produce evidence or give testimony pursuant to procedures of that state;

(3) Order that an evaluation or assessment be made of the respondent;

(4) Order any appropriate investigation of a person involved in a proceeding;

(5) Forward to the Superior Court a certified copy of the transcript or other record of a hearing under paragraph (1) of this subsection or any other proceeding, any evidence otherwise produced under paragraph (2) of this subsection, and any evaluation or assessment prepared in compliance with an order under paragraph (3) or (4) of this subsection;

(6) Issue any order necessary to assure the appearance in the proceeding of a person whose presence is necessary for the court to make a determination, including the respondent or the incapacitated or protected person; or

(7) Issue an order authorizing the release of medical, financial, criminal, or other relevant information in that state, including protected health information as defined in 45 C.F.R.§ 164.504.