Canon 33
About the prohibition of praying with heretics.
About what one should not pray with heretics or schismatics.
Greek original
Ὅτι οὐ δεῖ αἱρετικοῖς, ἢ σχισματικοῖς συνεύχεσθαι.
Parallel canons
Ап.1011454664IВс.19IIВс.7IIIВс.2Трул.1195Лаод.6101431333437Вас.147Тимоф.9