Pāṭidesanīyakaṇḍa

Vinayapiṭaka · Parivāra · Vol. 8 · Section 770

[770] Having asked for oil and eating it, she commits two offenses: she accepts it, thinking "I shall eat it" — an offense of wrong-doing (dukkaṭa); for each and every mouthful swallowed — an offense requiring acknowledgment (pāṭidesanīya).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 2 other places

Vol. 8 · Section 384 — Pāṭidesanīyakaṇḍa
Vol. 8 · Section 818 — Katiāpattivāra