They don’t know there are other resident monks who haven’t arrived. Perceiving that they’re acting according to the Teaching and the Monastic Law, perceiving that the assembly is complete although it’s not, they do the invitation ceremony. While they’re doing it, a greater number of resident monks arrive. In such a case, those monks should do the invitation ceremony once more. There’s no offense for those who already have invited. On the invitation day, five or more resident monks may have gathered together in a certain monastery. They don’t know there are other resident monks who haven’t arrived. Perceiving that they’re acting according to the Teaching and the Monastic Law, perceiving that the assembly is complete although it’s not, they do the invitation ceremony.