Scenario 1 - Signature Services Only
The following diagram shows a scenario where IBM Sterling e-Invoicing provides signature services for the Supplier. There is no validation or archiving being performed.

The following steps describe the process:
- The Supplier sends the original invoice data to IBM Sterling B2B Integration SaaS.
- The invoice data is sent by IBM Sterling e-Invoicing service to TrustWeaver to be signed.
- The signed invoice is sent by TrustWeaver back to the IBM Sterling e-Invoicing service.
- The signed invoice is sent to the Buyer.
- A copy of the invoice is returned to the Supplier for them to archive.