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1. Payment History: Details of any payments made or payment plans, include when partial payments exist

2. Insurance Information: Details about insurance coverage and claims, include when dispute involves insurance issues

3. Previous Correspondence: Reference to prior communications with credit bureau or medical provider, include if any exist

1. Supporting Documentation: Copies of medical bills, payment receipts, insurance documents, and relevant correspondence

2. Identity Verification Documents: Copies of identification documents such as passport or driving licence

3. Proof of Address: Recent utility bill or bank statement for address verification