Use the Edit Payment Method section to change an existing payment method.
| Field | Description | 
|---|---|
| Payment type area | The payment type determines the fields that display. Enter the changed values for the payment type. For credit card payments: if you need to change more than the expiration date, you must add a payment method. See "Adding a Payment Method". | 
| Contact area | Enter the contact information, or select Use name and billing address from primary contact. For invoice payments that use email for delivery, the street address information is also required. | 
| Bill unit assignment | Select to assign or unassign the payment method to one or more bill units. If you assign a payment method to a bill unit that has already been assigned a payment method, that previous method is automatically unassigned. |