Abtilis
Canon 66
Overview
This canon forbids Christians from fasting or celebrating Passover with the Jews, prescribing removal from office for clergy and expulsion for laypersons who violate this rule.
1Abṭelis, 66. If a priest or a layperson fasts with the Jews according to their fasts, or celebrates Passover with them, or joins them in their feasts, or agrees with them, or believes in them, or follows them, and if he is a priest, he is to be removed from his office. But if he is a layperson, he is to be expelled from the church.