To securely update your credit card information:
1. Log into the client Control Panel,
2. Click the Billing Management System icon,
3. Click the Edit button at the top of the screen.
4. Then click the Update Credit Card Info link on the following page.
5. Then enter the updated credit card information.
6. If you have an outstanding balance, simply click the Pay Now button after you
enter your credit card information. The system will then charge the credit card you
just entered for the full amount of your balance.