How To Refund A Deposit With A Check

Fastpath:

You should only have to issue adjustments to apply a deposit to outstanding debt if you need to override the system's automated procedures. Refer to Refunding Deposits for the details.

Refunding a deposit with a check (cut by your A/P system) is a two step process:

The deposit service agreement's payoff balance contains the amount of deposit you are holding on behalf of the customer's debt. Its current balance should be zero (i.e., the customer doesn't owe any additional deposit). Before you refund the deposit balance, we recommend making the deposit's current balance equal to the amount to be refunded. You do this by issuing an adjustment that just affects the deposit's current balance. The amount of this adjustment should be a negative number.
After the deposit's current balance reflects an appropriate credit amount (equal to the amount to be refunded), issue a refund adjustment. The adjustment amount should be a positive number. This adjustment causes a check request to be interfaced to your A/P system.