FlyerTalk Forums - View Single Post - Expiration dates?
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Old Aug 17, 2006, 11:50 am
  #3  
lcohen999
 
Join Date: Jun 2004
Location: I'm From Here
Programs: AC*SE & MM/*Wood Gold/HHonors Diamond/Marriott Silver/AirMiles Gold
Posts: 4,554
I think it is just a part of the math used to determine a card's validity, with X years ahead of time.

I don't think you could probably work out the logic
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