How do I submit an invoice?
To create and submit an invoice, you will first need to establish a trading relationship with your customer. Then, you will have to determine what type of invoice you will be creating. There are three types of invoices you can create on the Ariba Network:
See here for instructions on how to add tax, special handling, discounts, payment terms, and comments to your invoice.
Ariba Network > Transaction Documents > Transaction (Invoicing)