(1) shall begin at 1 p.m. on the date on which impeachment proceedings begin, and each side may determine the number of persons to make its presentation, following which the Senate shall deliberate, if so ordered under the Rules of Impeachment, and vote on any such motions. (c) Impeachment (1) Presentations by parties (A) House of Representatives Following the disposition of such motions, or if no motions are made, then the House of Representatives shall make its presentation in support of the articles of impeachment for a period of time not to exceed 24 hours, over up to 3 session days. (B) Secretary of Homeland Security Following the House of Representatives' presentation, Alejandro Nicholas Mayorkas shall make his presentation for a period not to exceed 24 hours, over up to 3 session days. (C) Number of persons Each side may determine the number of persons to make its presentation. (2) Period of questioning Upon the conclusion of Alejandro Nicholas Mayorkas’s presentation, Senators may question the parties for a period of time not to exceed 16 hours. (3) Argument and deliberation (A) In general Upon the conclusion of questioning by the Senate, there shall be 4 hours of argument by the parties, equally divided, followed by deliberation by the Senate, if so ordered under the Rules of Impeachment, on the question of whether it shall be in order to consider and debate under the Rules of Impeachment any motion to subpoena witnesses or documents. (B) Motion to subpoena witnesses or documents The Senate, without any intervening action, motion, or amendment, shall then decide by the yeas and nays whether it shall be in order to consider and debate under the Rules of Impeachment any motion to subpoena witnesses or documents. (4) Other motions Following the disposition of the question under paragraph (3), other motions provided under the Rules of Impeachment shall be in order. (5) Witnesses (A) In general If the Senate agrees to allow either the House of Representatives or Alejandro Nicholas Mayorkas to subpoena