1) Go to the Contact Profile
2) Select the Billing tab
3) Select the Subscription tab
4) On the subscription card, click the Invoices button.
5) Look for the invoice that has the Undo button
6) If you need to edit the amount, click the Undo button first.
7) Once the pencil icon is there, click on it.
8) Edit the amount and then click the Confirm button.
