Japanese phrase
___にルールはありますか？ ___ ni rū ru wa a ri ma su ka
Meaning
Are there any rules about ___?
When to use it
Asks whether rules apply to a particular matter. It is a neutral and polite way to check requirements before doing something, especially in an unfamiliar setting.
Example dialogue
寮生活にルールはありますか？ ryō sei katsu ni rū ru wa a ri ma su ka
Are there any rules about dorm life?
はい、門限があります。 ha i mon gen ga a ri ma su
Yes, there is a curfew.