佛說目連問戒律中五百輕重事經 1.83

1.83

問：「結坐而不坐，得歲不？」答：「若先不知坐法，受歲得。若知故違，不得。」

Question: "If one formally establishes the retreat but does not observe the retreat, does one obtain monastic age?" Answer: "If one previously did not know the retreat rules, receiving monastic age is valid. If one knew and intentionally violated them, one does not obtain it."