XIX. At all times while the Senate is sitting upon the trial of an impeachment the doors of the Senate shall be kept open, unless the Senate shall direct the doors to be closed while deliberating upon its decisions.
XX. All preliminary or interlocutory questions and all motions shall be argued for not exceeding one hour on each side, unless the Senate shall by order extend the time.
XXI. The case on each side shall be opened by one person. The final argument on the merits may be made by two persons on each side (unless otherwise ordered by the Senate, upon application for that purpose), and the argument shall be opened and closed on the part of the House of Representatives.
XXII. On the final question whether the impeachment is sustained the yeas and nays shall be taken on each article of impeachment separately, and if the impeachment shall not, upon any of the articles presented, be sustained by the votes of two-thirds of the members present a judgment of acquittal shall be entered; but if the person accused in such articles of impeachment shall be convicted upon any of said articles by the votes of two-thirds of the members present the Senate shall proceed to pronounce judgment, and a certified copy of such judgment shall be deposited in the office of the Secretary of State.
XXIII. All the orders and decisions shall be made and had by yeas and nays, which shall be entered on the record, and without debate, except when the doors shall be closed for deliberation, and in that case no member shall speak more than once on one question, and for not more than ten minutes on an interlocutory question, and for not more than fifteen minutes on the final question, unless by consent of the Senate, to be had without debate; but a motion to adjourn may be decided without the yeas and nays, unless they be demanded by one-fifth of the members present.
XXIV. Witnesses shall be sworn in the following form, viz:
You, ———— ————, do swear (or affirm, as the case maybe) that the evidence you shall give in the case now depending between the United States and ———— ———— shall be the truth, the whole truth, and nothing but the truth. So help you God.
which oath shall be administered by the Secretary or any other duly authorized person.
Form of subpoena to be issued on the application of the managers of the impeachment, or of the party impeached, or of his counsel:
To ———— ————; greeting: