carnet

noun3

1. •
   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.
2. •
   An admission pass.
3. •
   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. — 2003