To modify a payment:
From the Payments for Batch # window, right-click on the appropriate row and select Edit.
OR
From the Accounts Receivable Controlled Batches window, right-click the appropriate row and select Edit.
The Edit Payment window is displayed.

To edit the payment, change the desired information.
Click Save to save the information.
Note
Payments cannot be edited if they have already been posted or if the Controlled Batch is closed.