Page "Politics of Spain" Paragraph 23

After the candidate obtains the confidence of the Congress of Deputies, he is appointed by the King as prime minister in a ceremony of inauguration in which he is sworn at the Audience Hall of the Palace of Zarzuela — the residence of the King — and in presence of the Major Notary of the Kingdom.

The candidate takes the oath of office over an open copy of the Constitution next to a Holy Bible.

The oath of office used is: " I swear / promise to faithfully carry out the duties of the position of president of the Government with loyalty to the King ; to obey and enforce the Constitution as the fundamental law of the State, as well as to keep in secret the deliberations of the Council of Ministers ".