COLLEVACINO, PIETRO. — Born in Benevento; he was subdeacon and notary to Pope Innocent III, and cardinal from 1205. Charged by Innocent III with collecting the Decretals of the first twelve years (1198–1210) of his pontificate, he compiled what was called the *Complutio tertia* (see COMPILAZIONI ANTICHE).
BIBL.: F. Heyer, *Über Petrus Collivaccinus von Benevent*, in *Zeitschrift der Savigny-Stiftung, Kanon. Abt.*, 30 (1916), pp. 395–405; A. Teetaert, s.V. in DDC, III, cols. 1000–1002. Alberto Scala.