He held the position of secretary of the Congregation of Indulgences and Relics and prefect of the Prefecture of the Pontifical Household. Created cardinal in pectore in 1899,[2] he was named published in consistory of 1901. He was prefect of the Vatican Archives from 1908 and prefect of the Congregation of the Index from January 1911.[3] As protodeacon, he announced the election of cardinal Giacomo Della Chiesa to the papacy at the end of the conclave of 1914; he crowned the new pope on September 6, 1914.[3]