Santa Maria degli Angeli e dei Martiri
Pallotta was created cardinal priest in the consistory of 23 June 1777 by Pope Pius VI with the title of Sant'Eusebio. On 23 September 1782 he was opted for the title of Santa Maria degli Angeli e dei Martiri and was subsequently named Prefect of the S.C. of Waters, Fountains and Canals. On 1 July 1785 he was made prefect of the S.C. of the Council of Trent until his death. Pallotta was also Camerlengo of the Sacred College of Cardinals from 29 January 1787 to 1788.