(3) In the case of contumacy or refusal to obey a subpoena issued under paragraph (1) of this subsection by any person who resides in, is found in, or transacts business within the District, the Superior Court of the District of Columbia, at the written request of the Rental Housing Commission, shall issue an order requiring the contumacious person to appear before the Rental Housing Commission, to produce evidence if so ordered, or to give testimony touching upon the matter under inquiry. Any failure of the person to obey any order of the Superior Court of the District of Columbia may be punished by that Court for contempt.