There are not any duties of the President that are shared by the Vice President and the President can not perform any of the Vice President's two duties.
The vice president's special duty is to be president of the Senate.
to be a back up if the president gets sick or dies.
It is also the duty of the vice president to preside over the Senate.
The Vice President's role in the US Senate is to be the offical tie breaker if a tie on the floor shall occur. He is also referred to as the President of the Senate. Al Gore was the last vice president to break a tie on the Senate floor.(S.Menzel)luke dylan mayes
Leading the Senate
Serve as president of the Senate.
The vice president presides over the Senate.
He only real duty is to chair the US Senate, but I am not sure that is an executive duty, Of course, he becomes the chief executive if something happens to the President. He may be given executive assignments by the President on occasion.
to break a tie in the senate
Vice presidents have the duty of if anything happenns to the president the vice president will take over, if you see what I mean.
His only responsibility if to make the deciding vote in the Senate as the President of the Senate if there is ever a tie on legislation. His other duty is to take over as President should something happen to the sitting President.
A formal duty assigned to the vice president by the Constitution is to preside over the Senate. Specifically, his role is to cast a vote when a Senate deadlock occurs. Plus, he is also assigned to give certification on the official vote count of the U.S. Electoral College.