Sekhiyakaṇḍa

Vinayapiṭaka · Parivāra · Vol. 8 · Section 421

[421] Out of disrespect (anādariyaṃ paṭicca), a bhikkhu eating almsfood (piṇḍapāta) having pressed it down from the top of the heap commits one offence: an offence of wrong-doing (dukkaṭa).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places