carnet

A ticket book, a collection of tickets in the form of a booklet often sold at a discount to single tickets.

Rather than buy each ticket individually, you can buy a carnet of ten tickets for a lower price.

A customs document that allows the temporary duty-free importation of a particular article

If you plan to sell your car, of course, a carnet is the last thing you need: if the vehicle isn't correctly stamped in and out of each country you'll lose your deposit.

An admission pass.