If you need to set up a different email address to receive invoice notifications, Any owner of the account can set this up as follows:
Go to My Organizations and select your organization
Select the Billing tab then click View Invoices
Select Receipt Settings from the bottom of the Billing History page
Check the box Send me my receipts and specify the desired email address
Billing and View Invoices (#2)
Billing History (#3)
Specify Email Address (#4)
