Taken from - http://ccbi.in/guidelines-for-extraordinary-ministers-of-holy-communion/ I. General Norms 1. The ordinary ministers of Holy Communion are the priest and deacon.
2. Extraordinary ministers of Holy Communion may be appointed in parishes, religious houses, and chaplaincies in situations of genuine pastoral need where ordinary ministers are not available or are insufficient in number: 2 § a. to facilitate the distribution of Holy Communion within Mass when there is