[27] "Where was the nissaggiya pācittiya (nissaggiyaṃ pācittiyaṃ) for one who lets an extra robe (atirekacīvara) pass beyond ten days laid down by that Blessed One who knows and sees, the Arahant, the Perfectly Enlightened One?"
"It was laid down at Vesālī."
"Concerning whom?"
"Concerning the group-of-six bhikkhus."
"On account of what matter?"
"On the matter that the group-of-six bhikkhus kept an extra robe."
There is one laying down of the rule (paññatti) and one supplementary laying down (anuppaññatti). Of the six origins of offences (āpattisamuṭṭhāna), it originates by two origins: it may originate from body and from speech, but not from mind (citta); it may originate from body, from speech, and from mind. …
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.