It is natural to keep multiple invoice outputs. The important part is naming them so they cannot be confused.
PDF, accounting XML, and PEPPOL XML
PDF is for humans. Ordinary accounting XML can serve import into a specific accounting system. PEPPOL XML is a structured e-invoicing document with delivery and validation rules.
That is why labels such as PDF, Accounting XML, and PEPPOL XML are better than two identical XML buttons.
Which output to send to the customer
When the customer requires a PEPPOL e-invoice, the structured e-invoice output is sent through the delivery channel. PDF can still be kept as a preview or internal copy.
If the customer still needs only email, PDF and optional accounting export remain useful.
Checks before export
Every output should carry the same totals. If PDF shows a different amount than XML, the user must see an error before sending.
Stable rounding also matters: lines, VAT, discounts, and QR payment must use the same two-decimal amount.
FAQ
Is peppol xml vs ordinary accounting xml: why keep both outputs legal or accounting advice?
No. OnlineOffice provides working tools and materials. Important outputs should be reviewed against the specific situation.