Every invoice will be sent to the email address stated in billing details. Of course, you can add more addresses, you just need to divide them with a comma. If billing details are not filled in, an invoice will be sent to users with full access.
What does the invoice contain?
The invoice contains all the information about limit, price and period. If you manage a parent organization which is obliged to pay for its consolidated organizations, the invoice will also contain information about monthly spend that the suborganization contributed with to the total sum.