You will only be able to view all of your invoices if you are an administrator for your site.
1. Log in to the Ocean portal.
2. Navigate to the Admin tab and enter the Billing section (selected from the menu along the left).
3. All of your previous invoices should be listed at the bottom of the page, under the "Invoices" heading. Click the "View" button beside the specific invoice in question to see more details.
5. In window showing your detailed invoice, you also have the option to "Download Bill Item Report" (a .csv file that you can view in Excel) and/or email yourself the invoice again, using the "Email to Payer" button.