大比丘三千威儀 1.39

1.39

There are also five matters: first, when it rains, one should take off shoes at the foot of the stūpa before ascending to pay homage to the Buddha; second, having done so, one should sit in proper order according to seniority and exchange inquiries; third, if the saṅgha has collective affairs, if dispatched to act, one should promptly act; fourth, when wishing to go out, one must notify the master to let him know; fifth, upon hearing the sound of the gaṇḍī, one should promptly go out to assemble.