Later, after you've collected each member's proof of residence and some form of ID,

Your points are recorded in your resident registration data and as a number on your personal identification documents.

May I see some identification?

Your grades since junior high.

If she can change what's on face-down cards, there's no way to prove it.

She's gotta have a driver's license or some sort of personal ID on her.

We, unlike someone we know, carry around our personal identification as well as our photos in our police IDs.