Where no President and Vice-President shall have been chosen or shall have qualified, or where both shall have died or become permanently disabled, the President of the Senate or, in case of his inability, the Speaker of the House of Representatives, shall act as President until a President or a Vice-President shall have been chosen and qualified.
The Congress shall, by law, provide for the manner in which one who is to act as President shall be selected until a President or a Vice-President shall have qualified, in case of death, permanent disability, or inability of the officials mentioned in the next preceding paragraph.