Non PO cxml invoice not bringing in line description

Summary:

We are trying to import some cXML invoices from OBN for a supplier. They are Non PO invoices and so descriptions will be given for each invoice line.

From what I can tell the correct tags are set but the description is still not hitting the ap_invoice_lines_interface table.

Can somebody assist in how the cxml should be structured to successfully import invoice line descriptions?

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