<P> The 1st Congress passed an oath act in May 1789, authorizing only U.S. senators to administer the oath to the vice president (who serves as the president of the Senate). Later that year, legislation passed that allowed courts to administer all oaths and affirmations . Since 1789, the oath has been changed several times by Congress . The present oath repeated by the vice president, senators, representatives, and other government officers has been in use since 1884 . </P> <P> When the vice presidency was established in 1789, and for the century that followed, the Vice President was sworn in on the same date as the president, March 4, but at a separate location, typically in the United States Senate, where he holds the office of President of the Senate . Up until the middle of the 20th Century, the Vice President - Elect nearly always would be sworn in by the highest - ranking officer of the US Senate which was the outgoing vice president or the President Pro Tempore of the United States Senate . Sometimes, although not always, a short address would be given by the new vice president to the Senate . </P> <P> The oath of office has been administered most by the President Pro Tempore of the United States Senate (last in 1925) for a total of 20 times . Others to give the oath of office include the outgoing Vice President (last in 1945) 12 times, an Associate Justice of the Supreme Court of the United States (last in 2017) 9 times, the Chief Justice of the United States (last in 2001) 6 times, U.S. Senators that are not President Pro Tempore of the Senate (last in 1969) 5 times, the Speaker of the United States House of Representatives (last in 2005) 4 times, a US judge twice, and a foreign consul once with one time being unrecorded . Former Chief Justice Warren E. Burger has given the oath the most times with three . </P> <P> Of the 59 times the Oath of Office has been administered, 47 times have been at some location in the United States Capitol . The White House has seen 3 oaths of office, and Congress Hall in Philadelphia twice . The following locations all had the oath administered once in that location: Federal Hall, Old Brick Capitol, Havana, Cuba, a private residence in New York, and the Number One Observatory Circle . Reflecting the relative lack of importance of the office in the early 1800s, there are two instances where the location of the Vice President's oath of office is unknown . </P>

What is the vice president oath of office