The Billing Care user interface works in a web browser. When using Billing Care:
To avoid losing data, do not use browser commands, such as Back, Forward, and Refresh. If you do accidentally use a browser command, navigate to the main link, and, if required, sign in to Billing Care again.
Do not open multiple instances of Billing Care in different browser windows or tabs of the same browser.
Ensure that cookies are enabled in your browser.