1. Log in to your account
2. Use the scroll bar to look for a blue section and a dropdown box that contains the domain name. Next to this dropdown box is a button that says "modify domain". Select the domain you wish to modify from the dropdown box. Click the "modify domain" button.
3.You should now be on a new page. Select the option to Change IPS Tag
4. Enter the new tag.
The transfer will normally occur within 12 to 24 hours. You should check with your new hosting company to see if they need to 'handshake' the transfer. This means they will have to approve it, rather than allowing it to occur automatically. If they say they don't have this system you can sit back and wait for the transfer to happen on its own.