Question — Merkelbach, Summa Theologiae Moralis
Question Four: On the Minister of the Sacrifice
325.
325. Matter to be treated. - The minister is one principal, namely Christ Himself, in whose name the sacrifice is offered; another secondary, who acts in the name and in the person of Christ the principal minister, and who can be considered both in the act of the celebration of the sacrifice, and in the act of dispensation, by which the host is distributed in communion to be participated in by the faithful.