President pro tempore

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A president pro tempore or speaker pro tempore is a constitutionally recognized officer of a legislative body who presides over the chamber in the absence of the normal presiding officer.^[1] The phrase pro tempore is Latin "for the time being".^[2]

In Argentina, a similar role is carried by the Provisional President of the Argentine Senate in the absence of the Vice President of Argentina. By the 1994 amendment to the 1853 Constitution, the Vice President is designated as the Senate President.