The Moroccan Constitution provides for the institution of Regency in case the king is minor. The majority of the King, which was fixed at 18 years old in the Constitutions of 1963, 1970 and 1972, was reduced to 16 years after the constitutional revision of Mai 23, 1980. Article 21 of the Constitution in force stipulates that “The King shall be considered minor until he turns sixteen. During the King's phase of minority, a Regency Council shall assume the powers of the constitutional rights of the Crown, with the exception of those pertaining to the revision of the Constitution. The Regency Council shall serve as an advisory board to the King until he turns twenty. The Regency Council shall be presided over by the First President of the Supreme Court. It shall include, in addition to its Chairman, the President of the House of Representatives, the President of the House of Counsellors , the Chairman of the Rabat and Salé Ulama Council (of scholars), and ten dignitaries appointed with the King's own accord. Rules of procedure of the Regency Council shall be governed by an organic law ».