Credit cards are not legally considered written contracts in Illinois. A: The answer is maybe.Oral contracts are legally enforceable in Illinois, so long as they do not violate the statute of frauds. You may write a letter to your financial account representative or file paperwork provided on the credit card's website. Under this Agreement, Discover Bank is selling to Discover Funding all receivables arising in a subset of those accounts. MERCHANT ACCOUNT - Allows you to accept credit cards for payment of goods and services through an agreement with a card-processing bank. 3. Filling out the forms requires the other party to produce additional information showing that you are the person responsible for the debt. To learn how to fill out the form and file it with the court, read the How to File an Identity Theft. Read Section 300.740 - Failure to Follow Credit Card, Check Cashing, or Accounts Receivable Procedures, Ill. Admin. Forth in the credit card agreement).