Authentication is performed to ensure that only someone authorized by a company
can request access to confidential invoice information. Authentication
of an account invoice detail from one of your last three Delivery Service
Invoices or an International Package Services Invoice received within the last
45 days is required in order to complete the PDF Invoice enrollment form.
Authentication is required as a security measure to insure that unauthorized
people do not access, enroll, and/or make changes to your account.