“Can you expand on what is the korwat for how to treat teachers and how to treat guests?” Answered by Ajahn Ñāṇiko. [Protocols] [Respect for elders ] [Hospitality]
Vinaya: Khandhaka 18: Vattakkhandhaka and explanation in Buddhist Monastic Code Vol. 2, Chapter 13
Abhayagiri 25th Anniversary Retreat [2021], Session 16, Excerpt 3