Then the principal celebrant, with hands joined, says the introduction to the Lord’s Prayer. Then, with hands extended, he says the prayer itself together with the other concelebrants, who also pray with hands extended and with the people.
Libera nos (Deliver us) is said by the principal celebrant alone, with hands extended. All the concelebrants, together with the people, sing or say the final acclamation Quia tuum est regnum (For the kingdom).
After the deacon or, when no deacon is present, one of the concelebrants has said the invitation Offerte vobis pacem (Let us offer each other the sign of peace), all exchange the sign of peace with one another. The concelebrants who are nearer the principal celebrant receive the sign of peace from him before the deacon does.
While the Agnus Dei is sung or said, the deacons or some of the concelebrants may help the principal celebrant break the hosts for Communion, both of the concelebrants and of the people.
After the commingling, the principal celebrant alone, with hands joined, privately says the prayer Domine Iesu Christe, Fili Dei vivi (Lord Jesus Christ, Son of the living God) or Perceptio Corporis et Sanguinis (Lord Jesus Christ, with faith in your love and mercy).
When this prayer before Communion is finished, the principal celebrant genuflects and steps back a little. Then one after another the concelebrants come to the middle of the altar, genuflect, and reverently take the Body of Christ from the altar. Then holding it in their right hand, with the left hand placed below, they return to their places. The concelebrants may, however, remain in their places and take the Body of Christ from the paten presented to them by the principal celebrant or by one or more of the concelebrants, or by passing the paten one to another.
Then the principal celebrant takes a host consecrated in the same Mass, holds it slightly raised above the paten or the chalice, and, facing the people, says the Ecce Agnus Dei (This is the Lamb of God). With the concelebrants and the people he continues, saying the Domine, non sum dignus (Lord, I am not worthy).
Then the principal celebrant, facing the altar, says quietly, Corpus Christi custodiat me ad vitam aeternam (May the body of Christ bring me to everlasting life), and reverently receives the Body of Christ. The concelebrants do likewise, communicating themselves. After them the deacon receives the Body and Blood of the Lord from the principal celebrant.
The Blood of the Lord may be received either by drinking from the chalice directly, or by intinction, or by means of a tube or a spoon.
If Communion is received by drinking directly from the chalice, one or other of two procedures may be followed: The principal celebrant, standing at the middle of the altar, takes the chalice and says quietly, Sanguis Christi custodiat me in vitam aeternam (May the Blood of Christ bring me to everlasting life). He consumes a little of the Blood of Christ and hands the chalice to the deacon or a concelebrant. He then distributes Communion to the faithful (cf. nos. 160-162). The concelebrants approach the altar one after another or, if two chalices are used, two by two. They genuflect, partake of the Blood of Christ, wipe the rim of the chalice, and return to their seats. The principal celebrant normally consumes the Blood of the Lord standing at the middle of the altar. The concelebrants may, however, partake of the Blood of the Lord while remaining in their places and drinking from the chalice presented to them by the deacon or by one of the concelebrants, or else passed from one to the other. The chalice is always wiped either by the one who drinks from it or by the one who presents it. After communicating, each returns to his seat.
The deacon reverently drinks at the altar all of the Blood of Christ that remains, assisted, if necessary, by some of the concelebrants. He then carries the chalice over to the credence table and there he or a duly instituted acolyte purifies, wipes, and arranges it in the usual way (cf. no. 183).
The Communion of the concelebrants may also be arranged so that each concelebrant communicates the Body of the Lord at the altar and, immediately afterwards, the Blood of the Lord. In this case the principal celebrant receives Communion under both kinds in the usual way (cf. no. 158), observing, however, the rite chosen in each particular instance for Communion from the chalice; and the other concelebrants should follow suit. After the principal celebrant’s Communion, the chalice is placed on another corporal at the side of the altar. The concelebrants approach the middle of the altar one after another, genuflect, and receive the Body of the Lord; then they go to the side of the altar and consume the Blood of the Lord, following the rite chosen for Communion from the chalice, as has just been said. The Communion of the deacon and the purification of the chalice take place as already described.
If the concelebrants’ Communion is by intinction, the principal celebrant receives the Body and Blood of the Lord in the usual way, but making sure that enough of the precious Blood remains in the chalice for the Communion of the concelebrants. Then the deacon, or one of the concelebrants, arranges the chalice as appropriate in the center of the altar or at the side on another corporal together with the paten containing particles of the host. The concelebrants approach the altar one after another, genuflect, and take a particle, dip it partly into the chalice, and, holding a purificator under their chin, consume the intincted particle. They then return to their places as at the beginning of Mass. The deacon also receives Communion by intinction and to the concelebrant’s words, Corpus et Sanguis Christi (The Body and Blood of Christ) makes the response, Amen. The deacon, however, consumes at the altar all that remains of the Precious Blood, assisted, if necessary, by some of the concelebrants. He carries the chalice to the credence table and there he or a duly instituted acolyte purifies, wipes and arranges it in the usual way.