of each odd-numbered Congress, the President of the Senate, on the recommendation of the majority leader, shall designate one of the Senate Members as Chairperson of the Commission. At the beginning of each even numbered Congress, the Speaker of the House of Representatives shall designate one of the House Members as Chairperson of the Commission. (3) Designation of Co-chairperson At the beginning of each odd-numbered Congress, the President of the Senate, on the recommendation of the minority leader, shall designate one of the Senate Members as Co-chairperson of the Commission. At the beginning of each even numbered Congress, the Speaker of the House of Representatives, on the recommendation of the minority leader, shall designate one of the House Members as Co-chairperson of the Commission. (c) Prohibition on compensation Members of the Commission may not receive additional pay, allowances, or benefits by reason of their service on the Commission. 4. Testimony of witnesses, production of evidence