N.D. Cent. Code § 54-03.1-02
In each even-numbered year on the first Monday in the month of December or on a date selected by the legislative management but not earlier than December first nor later than December fifteenth, all persons elected at the previous November general election as members of the succeeding legislative session, and members whose terms do not expire until the first day of December following the next November general election, shall meet in the state capitol in the city of Bismarck, or at such other place as may be designated, at a time designated by the legislative management for the purpose of conducting an organizational session. The legislative management shall call the organizational session and the legislative council shall make such arrangements as may be necessary for operation of the session.
N.D.C.C. § 54-03.1-02