Twenty-fifth Amendment to the United States Constitution
The KeatingKefauver Proposal suggested allowing Congress to make a law about who should decide when a President is disabled.  It was proposed in 1963 by Senator Kenneth Keating of New York,p. 345 and supported by Tennessee Senator Estes Kefauver.p. 28  However, other Senators were worried that Congress could abuse this power, or would not actually make the law after the amendment was passed.pp. 30–35