佛說目連問戒律中五百輕重事經 2.88

2.88

問：「比丘走，犯何事？」答：「犯墮。有急事不犯。」

Question: "If a bhikṣu runs, what offense does he commit?" Answer: "He commits a pāyattika. If there is an urgent matter, there is no offense."