FlyerTalk Forums - View Single Post - Adding Authorized Users to Aged Accounts (5/24?)
Old Aug 16, 2023 | 3:43 pm
  #16  
mia
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Originally Posted by SPN Lifer
AmEx issues a different account number for the authorized user (AU). Chase and Capital One do not.
At least for Venture X accounts, Capital One does issue Authorized User cards with unique numbers. See HERE

Even if the embossed card numbers are the same, the issuer can tell them apart, and could report a different account opening date if they chose.
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