Related Clues:
- Proof of who you say you are
- Passport adjunct
- Document checked at a border
- Globe-trotter's need
- Customs request, perhaps
- Name on a lot of plastic?
- Travel permit
- Proof of employment, perhaps
- Big name in credit cards
- Master-Card rival
- Bouncer's check
- International document
- You may need it going in
- Credit-card name
- Age proof