The 25th Amendment, ratified in 1967, establishes that if the President dies, resigns, or is removed by impeachment, the Vice President becomes President—not just acting President. If the vice presidency is simultaneously vacant, the Presidential Succession Act of 1947 designates the House Speaker, then Senate president pro tempore, then Cabinet secretaries in order of each department''s creation. The amendment also creates procedures for temporary disability: the President can voluntarily transfer power to the Vice President (Section 3), or the Vice President and Cabinet majority can declare the President unable to serve (Section 4). The President can reclaim power by written declaration unless the Vice President and Cabinet majority object within four days, triggering a congressional vote requiring two-thirds of both chambers to keep the Vice President as acting President. This succession framework has never advanced beyond the vice presidency—no Speaker or Cabinet secretary has ever served as President.