How To Use Boarding card In A Sentence

I decided to brass it and head for the departure gate without a boarding card.
Only one voucher is redeemable per person along with your boarding card. The Sun
Don't forget to fill in your boarding cards.
Only one voucher is redeemable per person along with your boarding card. The Sun
Meanwhile, Mr. Tondato said Autogrill has suffered minimal impact from the ongoing crisis in Japan following the recent earthquake and tsunami, with what he described as an "immaterial decrease" in boarding cards to and from Japan in recent days. Autogrill Expands Starbucks Contract

I decided to brass it and head for the departure gate without a boarding card.
Armed with my home-printed boarding card, I head straight for security, bypassing the hoards of people queueing at the check-in desks.
The check-in assistant seemed to be in a particularly garrulous mood, chatting with his colleague while he printed out the boarding card.
Yet we are so busy fumbling with boarding cards and bonkbusters that there's barely time to register such information.
Passengers are not legally obliged to show their boarding cards when buying duty-free goods. Times, Sunday Times
Don't forget to fill in your boarding cards.