When the President of the United States is tried,the Chief Justice shall preside: And no Person shall be convicted without the Concurrence of two thirds of the Members present.

• 如受审者为合众国总统，则应由最高法院首席大法官担任主席 ; 在末得出席的参议员的三分之二的同意时，任何人不得被判有罪。