    [United States Senate Manual, 112th Congress]
    [S. Doc. 112-1]
    [Standing Rules of the Senate]
    [Pages 1-2]
    [From the U.S. Government Publishing Office, www.gpo.gov]

             1                             RULE I

                            APPOINTMENT OF A SENATOR TO THE CHAIR

           1.1      1. In the absence of the Vice President, the Senate
                shall choose a President pro tempore, who shall hold the
                office and execute the duties thereof during the pleasure of
                the Senate and until another is elected or his term of
                office as a Senator expires.
           1.2      2. In the absence of the Vice President, and pending the
                election of a President pro tempore, the Acting President
                pro tempore or the Secretary of the Senate, or in his
                absence the Assistant Secretary, shall perform the duties of
                the Chair.
           1.3      3. The President pro tempore shall have the right to
                name in open Senate or, if absent, in writing, a Senator to
                perform the duties of the Chair, including the signing of
                duly enrolled bills and joint resolutions but such
                substitution shall not extend beyond an adjournment, except
                by unanimous consent; and the Senator so named shall have
                the right to name in open session, or, if absent, in
                writing, a Senator to perform the duties of the Chair, but
                not to

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                extend beyond an adjournment, except by unanimous consent.