Bhogajanavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 322

[322] A bhikkhu eating a group meal (gaṇabhojana) commits two offenses: he accepts [food] with the thought, "I shall eat" — an offense of wrong-doing (dukkaṭa); for every mouthful swallowed — an offense of expiation (pācittiya).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.