How do I add a negative NSF check payment to an invoice?

Problem

You have a returned check and need to add a negative NSF check payment to an invoice.

Solution

1. Create a new adjustment invoice for the invoice you want to correct.

2. From the adjustment invoice, click Add a payment.

3. Enter the amount of the NSF check as a negative value.

4. Select the NSF Check (or equivalent) payment type.

5. If you want the invoice to show a balance, you are done.

6. If you want to apply a new payment to the invoice, add a placeholder task for the same amount to the adjustment invoice.

7. Collect and apply payment on the original invoice.

8. Delete the placeholder task from the adjustment invoice.