Speaker of the United States House of Representatives by the President "pro tempore" of the Senate and by the heads of federal executive departments. To date, the implementation of the Presidential Succession Act has never been necessary and no Speaker has ever acted as President. Implementation of the law almost became necessary in 1973 after the resignation of Vice President Spiro Agnew. At the time, many believed that President Richard Nixon would resign because of the Watergate scandal, allowing Speaker Carl Albert to succeed to the Presidency. However, before he resigned, Nixon appointed Gerald Ford as Vice President in accordance with the Twenty-fifth Amendment. Nevertheless, the United States
Spiro Agnew Nixon gave Agnew an office in the West Wing of the White House, a first for a vice president. When they stood before the press after the meeting, Nixon pledged that Agnew would not have to undertake the ceremonial roles usually undertaken by the holders of the vice presidency, but would have "new duties beyond what any vice president has previously assumed". Nixon told the press that he planned to make full use of Agnew's experience as county executive and as governor in dealing with matters of federal-state relations and in urban affairs. Nixon established transition headquarters in New York,