Canon 49
On the prohibition for clergy to visit taverns without the need for food while on the road.
Clerics should not come to eat or drink in taverns, unless necessity forces them during travel.
Greek original
Ὥστε τοὺς κληρικοὺς χάριν τοῦ τρώγειν ἢ πίνειν μὴ εἰσιέναι εἰς καπηλεῖα, εἰ μηδ᾽ ἂν ξενίας ἀνάγκῃ συνωθουμένους.[1]
Parallel canons
Ап.54Трул.9Лаод.24