Kosiyavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 46

[46] "For one who engages in various kinds of monetary exchange (rūpiyasaṃvohāra), the offence entailing expiation with forfeiture (nissaggiya pācittiya) — where was it laid down?" "It was laid down at Sāvatthī." "Concerning whom?" "Concerning the group-of-six (chabbaggiyā) bhikkhus." "On what matter?" "On the matter that the group-of-six bhikkhus engaged in various kinds of monetary exchange." There is one laying down (paññatti). Of the six origins of offences (āpattisamuṭṭhāna), it arises through six origins. …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places