Click the my account link and you will be shown this screen:
You can update relevant details of your account.
At the bottom of the my account screen, you will see:
If you wish to share your administration of your site, you can add additional users.
Only the primary administrator can delete users.
If you have a separate accounting contact, you may enter that in the Financials Details section. That email address will be the recipient of invoices.
You can display your Merchant Account information on this page, by clicking the link right below the update button:
