District of Columbia Code Division II. Judiciary and Judicial Procedure § 16-3544. Pleading; jury trial.

In a quo warranto proceeding, the defendant may demur, plead specially, or plead “not guilty” as the general issue, and the United States or the District of Columbia, as the case may be, may reply as in other actions of a civil character. Issues of fact shall be tried by a jury if either party requests it. Otherwise they shall be determined by the court.