四分律刪繁補闕行事鈔 2.301

2.301

有難蘭若受食戒。五緣：一是蘭若險處；二先不語檀越；三無病難緣；四自手取食，除置地使人；五食咽犯。

The precept against accepting food in a perilous araṇya. Five conditions: first, it is a perilous araṇya; second, not notifying the dānapati beforehand; third, lacking circumstances of illness or danger; fourth, taking the food with one's own hand, except when placed on the ground or given through another person; fifth, an offense is incurred upon eating and swallowing.