Supplier creates an invoice
Supplier chooses customer | export invoice to create an invoice
Supplier sends the invoice to the customer (If the customer has an e-mail address entered, the invoice can be automatically attached to an email, or, the file produced can be attached to an e-mail using your normal e-mail client. Alternatively it may be transferred on removable medium (floppy, Zip, CD etc..)
Customer receives electronic invoice
Customer chooses Supplier | import invoice to import the invoice.
Customer checks the supplier invoice that is created against other documentation and against actual goods received.