Bhikṣuṇī Prātimokṣa of the Four-Part Vinaya 1.117

1.117

「若比丘尼，軍中，若二宿、三宿，或時觀軍陣鬪戰，若觀遊軍、象、馬勢力，波逸提。

"If a bhikṣuṇī, while staying two or three nights in an army, at any time watches battle formations fighting, or watches troop movements or the forces of elephants and horses, it is a prāyaścittika.