Pub. L. 88-241, pt. II, tit. 11, ch. 23, sec. 11–2312
Length of service
§ 11–2312, Length of service (a) Petit jurors summoned for service in a court of the District shall serve for such period of time and at such sessions of the court as the court directs, but, unless actually engaged as a trial juror in a particular case, may not be required to serve in the District Court or the District of Columbia Court of General Sessions for more than one month in any twelve consecutive months, or to serve in the Juvenile Court for more than three months in any twelve consecutive months. (b) Jury service in one court does not exempt, exclude, or disqualify a person from jury service in another court, except during his term of actual service. (c) This section does not affect the provisions of section 1869 of Title 28, United States Code, relating to frequency of petit jury service in district courts, including the United States District Court for the District of Columbia.