To forfeit a deposit, perform the following steps
1. Make sure you have already created a product for your facility named Deposit Forfeit (or something to that affect).
2. Change price of the event to $0.00
3. Delete any additional items
4. Balance due should reflect the deposit paid in negative amount
5. Choose Deposit Forfeit item from the drop down box
6. Adjust price to amount of deposit
7. Close Order