Letter asking the original creditor to verify the debt
 
Company Name
Comapny Address
 
Date: --------
 
Re: Account No.--------
 
Dear Sir/Madam,
 
This is a letter to dispute the account referred above. I have a case in point that this account information is inaccurate with [name of credit bureaus] and my debt have not yet been verified. But [I was neither late/it is not my account/ I am only an authorized user].
 
You continue to list the disputed item on my credit report. This has caused immense inconvenience to my financial transactions. I will be forced to sue you for defamation damages and declaratory relief under the FCRA.
 
<Optional> You can give a sample case of the same type and its favored court ruling to the debtor.
 
While litigation is not my favored process of dealing in such cases, I will use it just the same to claim my rights.
 
I look forward to a peaceful resolution of this matter
 
Sincerely,
 
 
Your Signature
Your name
Your address
 

Encl: the copy of court case you have mentioned