Правило 7
About the prohibition to accept presbyters, and deacons, or bishops without a representative letter from the bishop from whom they received ordination.
Do not accept any newcomers without letters of peace.
Greek original
Μηδένα ἄνευ εἰρηνικῶν δέχεσθαι τῶν ξένων.
Parallel canons
Ап.12133233IVВс.1113Трул.17Антиох.811Лаод.4142Сард.7Карф.23106