四分律比丘含注戒本 2.327

2.327

If he does not ask about food from a returning wife or road-food from merchants, or if he does not inform the other bhikṣus, it is a duṣkṛta. Exceptions: accepting two or three bowlfuls; if ill, accepting in excess; having asked, sharing together so as to make known the village's situation; if they deliver it themselves to the bhikṣuṇī monastery, it may be accepted; if delivered into the bhikṣuṇī monastery and accepted, there is no offense.