佛說目連問戒律中五百輕重事 1.34

1.34

問：「先上佛幡，得取用作佛事不？」答：「佛事得用。若檀越不聽，不得。」

It was asked, "May banners previously offered to the Buddha be taken and used for Buddha matters?" It was answered, "For Buddha matters they may be used. If the dānapati does not permit it, they may not."