It can help your knowledge about balancing reports if you know what different payment scenarios look like in the system gltran table.

TYPE = CASH IN is a summary line of the entire transaction displaying the amount collected from customer.

CR APP = existing credit on an account that is applied (used) during the payment.

CR REC = A new credit that is received by the customer over paying during a payment.

Writeoff = Similar to an adjustment a writeoff is an underpayment that the user chooses to adjust off as opposed to leaving a balance.

You will see two entries representing the Debit and Credit on all items except the CASH IN.

1. CREDIT APPLIED - A payment where a credit is applied (used) toward the payment.

2. Normal Payment