Updated example XML files according to the UBL 2.1 standard are available for download for the following document types:

 

  1. Advance invoice
  2. VAT exempt invoice
  3. Public procurement invoice
  4. Invoice
  5. Book approval 
  6. Book loan
  7. Final invoice
  8. Approval in the period
  9. Approve multiple invoices

 

Examples are available at the LINK.