http://www.usccb.org/prayer-and-worship/the-mass/order-of-mass/liturgy-of-the-eucharist/extraordinary-ministers-of-holy-communion-at-mass
http://www.usccb.org/prayer-and-worship/the-mass/order-of-mass/liturgy-of-the-eucharist/extraordinary-ministers-of-holy-communion-at-mass