FlyerTalk Forums - View Single Post - Adding Authorized Users to Aged Accounts (5/24?)
Old Aug 16, 2023 | 3:18 pm
  #15  
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Originally Posted by CaptJOB (Post # 12)
Chase does use original account opening and AmEx uses date of AU added.
AmEx issues a different account number for the authorized user (AU). Chase and Capital One do not.

The issuance of a separate account number would seem to be the determinative factor in reporting when that account was opened.
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