In 1972, a "Constitutional Amendment" carried out by the military government led by General Alejandro A. Lanusse reformed the 1957 text. This had to last until 1977 but its application could be extended until 1981 if no Constitutional Convention in 1976 decided either to accept it or reject it definitively. This amendment was not fully applied by the democratic government of Perón in his third term nor by his wife Isabel Perón acting as President after his death. Some changes were related to the size of Senate and one-term reelection of president and vice-president. It also reduced presidential, senatorial and deputies' terms all to four years.