 Its purpose was (1) to proclaim generally the various decrees already issued by the bishop; (2) to discuss and ratify measures on which the bishop chose to consult with his clergy; (3) to publish statutes and decrees of the diocesan synod, of the provincial synod, and of the Holy See.Bishop Giovanni Battista Lattanzi (1750–1782) held his first diocesan synod on 23–25 September 1766.Bishop Francesco Antonio Mondelli (1814–1825) held a diocesan synod on 8–10 April 1818.