Sekhiyakaṇḍa

Vinayapiṭaka · Parivāra · Vol. 8 · Section 424

[424] Out of disrespect (anādariya), one who, intent on finding fault (ujjhānasaññī), looks at the bowl of others commits one offence (āpatti): a dukkaṭa.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places