僧羯磨 1.213

1.213

對首法（若有佛法僧事、檀越父母等請喚、受懺、病患、看病、求同業等緣，不及即日還，聽受七日去。應如是作。）

Face-to-Face Procedure (If there are matters concerning the Buddha, Dharma, or Saṃgha, invitations from dānapatis, parents, etc., receiving confession, illness, nursing the sick, seeking companions in practice, and other such circumstances, so that one cannot return on the same day, it is permitted to take leave for seven days and depart. It should be performed as follows:)