FlyerTalk Forums - View Single Post - What does "Open" and "Closed" mean on an upgrade cert?
Old Dec 13, 2014 | 3:28 pm
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tanglin
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Question What does "Open" and "Closed" mean on an upgrade cert?

I have 3 global upgrade certificates in my wallet. Two are marked OPEN, one is CLOSED.

What's that mean? I thought if I used one, it would vanish from the wallet (and I used to have more which I assume were removed when I did actually use them).

?
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