; and (v) address other non-adjudicative matters that require en banc consideration, as determined by the chief judge. (B) Majority vote The appellate division shall exercise its en banc authority as provided in subparagraph (A) by a majority vote, a quorum being present. (C) Quorum For purposes of this paragraph, not less than three immigration appeals judges in regular active service or 2/3 of all immigration appeals judges in regular active service, whichever is greater, shall constitute a quorum. (c) Trial division (1) In general The trial division of the Immigration Courts shall be composed of immigration trial courts, the number and geographical location of which shall be determined by the administrative council, in accordance with the procedures described in subsection (d)(3)(B). Each immigration trial court shall be overseen by a chief trial judge. (2) Appointment of immigration trial judges (A) In general Except as provided in section 603, each immigration trial judge shall be appointed by the appellate division consistent with the requirements described in section 602. (B) Term of office Each immigration trial judge shall be appointed for a term of 15 years and may be reappointed for additional 15-year terms. An immigration trial judge who is not reappointed for an additional term may continue to serve after the expiration of the prior term for not more than 1 year or until a successor is appointed, whichever occurs first. (3) Chief trial judges (A) Designation The chief judge shall designate one immigration trial judge to serve as the chief trial judge for each geographical area. If only one immigration trial judge presides over a geographical area, that judge shall be designated the chief trial judge. (B) Term of office Chief trial judges shall serve for an initial term of 5 years and may be reappointed for additional 5-year terms, or other periods of time that are less than 5 years as determined by the appellate division. (C) Responsibilities In addition to fulfilling regular judicial duties, chief