Related Clues:
- Proof of who you say you are
- Airport security request
- Proof of employment, perhaps
- Bouncer's check
- Driver's license, for one
- Age proof
- It may be swiped
- Proof of employment
- Proof of age, perhaps
- Flying need
- Airport security requirement, briefly
- Bouncer's door request
- It says who the bearer is
- Entrance need, at times
- Security request, briefly