155. After this, the Priest takes the host, breaks it over the paten, and places a small piece in the chalice, saying quietly, Haec commixtio (May this mingling). Meanwhile the Agnus Dei (Lamb of God) is sung or said by the choir and by the people (cf. no. 83).
156. Then the Priest, with hands joined, says quietly the prayer for Communion, either Domine Iesu Christe, Fili Dei vivi (Lord Jesus Christ, Son of the living God) or Perceptio Corporis et Sanguinis tui (May the receiving of your Body and Blood).
157. When the prayer is concluded, the Priest genuflects, takes a host consecrated at the same Mass, and, holding it slightly raised above the paten or above the chalice, facing the people, says, Ecce Agnus Dei (Behold the Lamb of God) and together with the people he adds, Lord, I am not worthy.
Nothing here about hosts on the altar not consecrated at this Mass. At my parish, if they are needed, they are brought out later.
158. After this, standing facing the altar, the Priest says quietly, Corpus Christi custodiat me in vitam aeternam (May the Body of Christ keep me safe for eternal life), and reverently consumes the Body of Christ. Then he takes the chalice, saying quietly, Sanguis Christi custodiat me in vitam aeternam (May the Blood of Christ keep me safe for eternal life), and reverently partakes of the Blood of Christ.
159. While the Priest is receiving the Sacrament, the Communion Chant begins (cf. no. 86).
Does the Communion chant begin in a timely way in your parish?