If they’re able to do this, it’s good. If not, you shouldn’t do the invitation ceremony with an incomplete sangha. If you do, you commit an offense of wrong conduct.” 5. Various kinds of invitation ceremonies for the Sangha, etc. At one time on the invitation day, there were five monks staying in a certain monastery. “The Buddha has laid down a rule that the invitation ceremony should be done with a sangha. Now there’s five of us. So how should we do the invitation ceremony?” They told the Buddha.