Sahadhaṁmikavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 137

[137] "For a **bhikkhu** who, when being legitimately admonished (sahadhammikaṃ vuccamāna) by bhikkhus, says: 'Friend, I will not train in this training rule (sikkhāpada) until I have questioned another bhikkhu who is competent, an expert in the Vinaya (vinayadhara)' — where was the pācittiya laid down?" — "It was laid down at Kosambī." — "Concerning whom?" — "Concerning the Venerable Channa." — "On account of what matter?" — "On the matter that the Venerable Channa, when being legitimately admonished by bhikkhus, said: 'Friend, I will not train in this training rule until I have questioned another bhikkhu who is competent, an expert in the Vinaya.'" There is one laying down (paññatti). Of the six origins of offenses (āpattisamuṭṭhāna), this offense originates through three origins. …

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places