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eCheck Credits and Refunds
    You may issue credits and refunds for eCheck transactions. The following requirements apply:
			
- The original eCheck transaction for which the refund is being issued must have been processed through the Payment Gateway.
 - eCheck refunds must be submitted with the transaction ID of the original eCheck transaction.
 - The amount of the refund must be less than or equal to the dollar amount of the original transaction.
 - The sum amount of multiple refunds submitted against the same original transaction must be less than or equal to the dollar amount of the original transaction.
 - There must be available funds (funds that are no longer in the holding period) in your eCheck Settlement sub-account to cover the refund. If sufficient funds do not exist in your eCheck Settlement sub-account, the refund transaction will be rejected.