81 C5. Abdications and renunciations and any doubt in fact or in law that may arise in connection with the succession to the Crown shall be settled by an organic act.
Section 58
Queen consort or Queen's Consort59 CThe Queen consort, or the consort of the Queen, may not assume any constitutional functions, except in accordance with the provisions for the Regency.
Section 59
Regency1, 12, 57, 57, 72.2, 74.1 C1. In the event of the King being under age, the King's father or mother or, in default thereof, the oldest relative of legal age who is nearest in succession to the Crown, according to the order established in the Constitution, shall immediately assume the office of Regent, which shall exercise during the King's minority.
Crown Prince as Regent2. If the King becomes unfit for the exercise of his authority, and this incapacity is recognised by the Cortes Generales, the Crown Prince shall immediately assume the Regency, if he is of age. If he is not, the procedure outlined in the foregoing paragraph shall apply until the coming of age of the Crown Prince.
Appointment of Regent by Parliament3. If there is no person entitled to assume the Regency, it shall be appointed by the Cortes Generales and shall be composed of one, three or five persons.
4. In order to exercise the Regency, it is necessary to be Spaniard and legally of age.
5. The Regency shall be exercised by constitutional mandate, and always on behalf of the King.
Section 60
