The Catholic Church allows Orthodox to receive communion because we share the same belief in the Real Presence. It is my understanding, however, that Catholics may not receive communion in the Orthodox Church. I have pinged Kolokotronis for an explanation.
In extremis I believe it is permitted, and under extraordinary conditions with permission. As I understand it.
There are a number of churches in communion with the rcc.
http://www.catholicdoors.com/faq/qu14.htm
Here’s a list :-)
Not sure about the reverse of course and I wouldn’t try to receive communion from say the greek oc unless it was clarified for me.
“Can an Orthodox Christian receive communion in a Roman Catholic Church?
The Catholic Church allows Orthodox to receive communion because we share the same belief in the Real Presence. It is my understanding, however, that Catholics may not receive communion in the Orthodox Church. I have pinged Kolokotronis for an explanation.”
It is absolutely forbidden, de jure, for us to receive communion in a Roman Catholic liturgy in the liturgies of those particular churches in communion with Rome. Likewise, we will not knowingly give communion to Roman Catholics or thoe in communion with them. I say de jure because de facto it occurs regularly in the ME and to a lesser extent here though in both instances only with Melkites an Maronites so far as I know.
The reason for all of this is that we are not in communion with Rome We do not believe that the Eucharist should be used to foster communion, but rather is the ultimate symbol of communion.
Narses, I know of no permission for inter-communion having been given in situations in which a Latin or Orthodox might find himself in extremis. I also cannot imagine it not happening without “permission” under the appropriate circumstances. Believe me, if I were at the end and there was no Orthodox priest, available I’d be hollering for the Latin priest!
Orthodox Christians are specifically forbidden to receive communion outside the canonical Orthodox Church for that reason.
My understanding is that the Catholic Church may grant communion to an Orthodox Christian in a dire situation, as I am sure most Orthodox Christians would have enough sense to receive a Catholic communion on a deathbed, if no orthodox priest were available, but not on a regular (ordinary) basis.