Title of the highest prelates lof the pope's personal suite. They have the right of residence in the papal palace and are four in number:

The office of auditor was discontinued as unnecessary by Pope Pius X. Previously the auditor advised the pope in consistorial and theological matters; later he had judicial power in civiland criminal cases, but since 1831 his duties had been severely restricted. Pope Benedict XV re-established the office in connection with the Apostolic Signatura.