Also probably the same in reverse, takes the data back and sends it back in a useful format.

The other side though is this -- if you let such requests be quick and easy, you will get more of them. If you want to take a position against such surveillance you should make the process as long and drawn out as you legally can. Insist on hard copies hand-delivered. Insist on manual review by lawyers of hard copies, and the like.

But if you make it easy to get information you will get more requests for them.