It's not the NFCC's job to make credit appear, but it seems to me that it is very much our job to help consumers understand how
credit reports and credit scores work so they manage their finances in a way that improves their prospects of obtaining a responsible level of new credit.
Rather than guess why your score is what it is, I'd suggest that you get a copy of your
consolidated credit report and credit score to see if there isn't some other activity on there that you might not know about that is bringing your score down.
How authorized - user credit score benefits work These authorized user accounts then become part of the authorized users»
credit reports and credit scores for as long as they remain guests on the account.
Federal Deposit Insurance Corporation, Credit History 101: The ABCs of Credit Reports and Credit Scores