To receive an invoice the supplier will need to be an existing BP and it's PEPPOL id selected.

If the Supplier invoice does not have a BP, you will not be able to save it.

An item with the item code 'General' is required need to be created.

Follow the link below to view the sample item.

Go to Supplier Invoice module

Click 'Import PEPPOL'

on the window that pops up click on the '...'

Wait a moment while the system gets the invoices.

Click on 'Download' to import the invoice.

the download will open into the edit screen.

Click 'Add' to save the invoice.