Правило 45
That a cleric who prays with heretics is excommunicated; and whoever recognizes them as clerics is ejected.
A bishop, or presbyter, or deacon who has only prayed with heretics shall be excommunicated. If he allowed them to do anything as clerics, let him be deposed.
Greek original
Ἐπίσκοπος, ἢ πρεσβύτερος, ἢ διάκονος, αἱρετικοῖς συνευξάμενος μόνον, ἀφοριζέσθω· εἰ δὲ ἐπέτρεψεν αὐτοῖς ὡς κληρικοῖς ἐνεργῆσαί τι, καθαιρείσθω.
Parallel canons
Ап.10114664IIIВс.2Лаод.632333437Тимоф.9