佛說目連問戒律中五百輕重事經 2.109

2.109

問：「比丘至上房中，不坐輒坐，犯何事？」答：「犯墮。」

Question: "If a bhikṣu goes into a senior room and abruptly sits down without permission, what offense does he commit?" Answer: "He commits a pāyattika."