大比丘三千威儀 2.29

2.29

There are further five matters: first, while eating, one must not pass gas on one's seat; second, before the meal is finished, one must not spit on the ground in front; third, if urgently needing to spit, spit under the shoes; fourth, having washed one's hands, one must not hold shoes again; fifth, having held shoes and knowing oneself that the hands are soiled, if one does not wipe them, one must not touch the kāṣāya with them. The above are forty rules on dining.