Description of Reason Code CD
Credit/Debit Posted Incorrectly
Insights from Rules and Regulations
The cardholder challenges the validity of a card transaction because the transaction should have resulted in a credit rather than a card sale or the transaction should have resulted in a card sale rather than a credit.
How to Win Reason Code CD
You must provide either transaction documentation signed by the cardholder indicating agreement to the transaction, a transaction receipt or other record that indicates the transaction was posted correctly, or evidence that a credit was issued to the account to correct the error as permitted by Discover's Operating Regulations.
Transaction Modifiers applicable to Reason Code CD