P
ProVobis
Guest
Here, I think I found it.There is. It even allows one to attend Liturgy an an Orthodox Church.
Can. 844 §2 Whenever necessity requires or a genuine spiritual advantage commends it, and provided the danger of error or indifferentism is avoided, Christ’s faithful for whom it is physically or morally impossible to approach a catholic minister, may lawfully receive the sacraments of penance, the Eucharist and anointing of the sick from noncatholic ministers in whose Churches these sacraments are valid.