Description of Reason Code DP
Insights from Rules and Regulations
The cardholder claims that a single card transaction was applied more than once to the account.
How to Win Reason Code DP
Provide separate transaction documentation either signed or authorized by the cardholder for the amount of each transaction, or evidence that you or the acquirer issued a credit(s) for each duplicate card sale, as applicable and permitted by Discover's Operating Regulations.
Transaction Modifiers applicable to Reason Code DP