(a) Before testifying before the Tribunal, each witness shall make such oath or declaration as is customary in his own country.
(b) Witnesses while not giving evidence shall not be present in court. The President of the Tribunal shall direct, as circumstances demand, that witnesses shall not confer among themselves before giving evidence.
Rule 7. Applications and Motions before Trial and Rulings during the Trial.
(a) All motions, applications or other requests addressed to the Tribunal prior to the commencement of trial shall be made in writing and filed with the General Secretary of the Tribunal at the Palace of Justice, Nuremberg, Germany.
(b) Any such motion, application or other request shall be communicated by the General Secretary of the Tribunal to the Chief Prosecutors and, if they make no objection, the President of the Tribunal may make the appropriate order on behalf of the Tribunal. If any Chief Prosecutor objects, the President may call a special session of the Tribunal for the determination of the question raised.
(c) The Tribunal, acting through its President, will rule in court upon all questions arising during the trial, such as questions as to admissibility of evidence offered during the trial, recesses, and motions; and before so ruling the Tribunal may, when necessary, order the closing or clearing of the Tribunal or take any other steps which to the Tribunal seem just.
Rule 8. Secretariat of the Tribunal.
(a) The Secretariat of the Tribunal shall be composed of a General Secretary, four Secretaries and their Assistants. The Tribunal shall appoint the General Secretary and each Member shall appoint one Secretary. The General Secretary shall appoint such clerks, interpreters, stenographers, ushers, and all such other persons as may be authorized by the Tribunal and each Secretary may appoint such assistants as may be authorized by the Member of the Tribunal by whom he was appointed.
(b) The General Secretary, in consultation with the Secretaries, shall organize and direct the work of the Secretariat, subject to the approval of the Tribunal in the event of a disagreement by any Secretary.
(c) The Secretariat shall receive all documents addressed to the Tribunal, maintain the records of the Tribunal, provide necessary clerical services to the Tribunal and its Members, and perform such other duties as may be designated by the Tribunal.