Pratimoksha of the Dharmaguptakas 1.124-125

1.124

「若比丘往觀軍陣，除時因緣，波逸提。

"If a bhikṣu goes to view an army in battle array, except when there is an occasion or cause, it is a pāyattika.

If a monk go to a place to witness an army, except for some lawful reasons, it is pācittiya,

1.125

「若比丘！有因緣，聽至軍中二宿、三宿，若過者，波逸提。

"If a bhikṣu, having a reason, is permitted to stay in an army for two or three nights, if he exceeds that, it is a pāyattika.