The Eucharist and Extraordinary Ministers of Holy Communion
30. When Holy Communion is to be distributed under both species, careful planning should be undertaken so that:
enough bread and wine are made ready for the communication of the faithful at each Mass.45 As a general rule, Holy Communion is given from hosts consecrated at the same Mass and not from those reserved in the tabernacle. Precious Blood may not be reserved at one Mass for use at another;46 and
- a suitable number of ministers of Holy Communion are provided at each Mass. For Communion from the chalice, it is desirable that there be generally two ministers of the Precious Blood for each minister of the Body of Christ, lest the liturgical celebration be unduly prolonged.