rules and regulations

She's good at slipping through the rules.

Exceptions prove the rule.

There's no rule without exception.

She's not allowed to go out right now.

Please don't take photos here.

Don't get off before the train has stopped.

I don't think we should make exceptions.

There's no rule without exception.

She was forbidden to smoke.

The east exhibition wing of the museum was closed for cleaning.

When you open the window, please don't close the curtains.

Smoking is prohibited inside the train.

Don't open the door until the train stops.