If the Host is not being reserved in the aumbry, the celebrant should consume any remainder, requesting assistance from attendants where needed.
Once the remainder of the Holy Sacrament has been consumed, the celebrant holds out the chalice with his or her right hand for the subdeacon to pour in enough wine to rinse it. The celebrant drinks this first ablution, turning the chalice about so that the wine may pass over the inside.
For the second ablution, the chalice is then taken between the hands by the bowl, holding the joined thumbs and forefingers over it, and the celebrant has a little wine and more water poured over his or her fingers into the chalice by the subdeacon, reciting the prayer CORPUS TUUM: May thy Body, O Lord, which I have eaten, and thy Blood which I have drunk, so cleave to my soul that no stain of sin may remain in me, who have been refreshed with this most pure and holy Sacrament; who livest and reignest world without end. Amen.
Once this ablution has been completed, the celebrant sets down the chalice on the altar, dries his or her fingers on the purificator and lays it down. The celebrant rinses the chalice with the ablution, drinks it, wipes his or her lips lightly with the purificator, dries the chalice thoroughly, folds the purificator and lays it across the bowl, and puts the chalice on the altar near the corporal.
If there is also a ciborium to purify, the celebrant may receive water in it after the purifying and drying his his or her fingers, rinse it, pour the water into the chalice, and consume it with the other ablution. Then the celebrant wipes his/her lips, dries and covers the ciborium and sets it aside, and dries the chalice and places it with the purificator on it as above.
If a second chalice has been used, it also should be purified with wine and then with water, and dried, and it can then be set aside.
If there is no server, the celebrant must pour the ablutions for themselves, and can purify and dry the fingers first of one hand, then of the other.
If a priest says two or three Masses on the same day, he or she takes the ablutions at the last one only. At the previous Celebrations, they may be poured into an ablution cup, and reserved for subsequent consumption.
The ablutions completed, the celebrant sets the chalice with purificator across it on the corporal, and puts on it the paten and pall. The celebrant covers the chalice with the veil, lifts the veiled chalice off the corporal, standing it usually to the left, folds the corporal correctly and puts it into the burse, puts the burse on the chalice, and replaces the chalice in the middle of the altar.