Hybrid invoices combining PDF and XML?
Short answer
Yes. Council Directive (EU) 2025/516 establishing rules VAT for the digital age (ViDA), explicitly admits so-called hybrid invoices ♦ documents combining structured data and human readable format, such as PDF. The condition is that all mandatory invoice data are contained in the structured part of the document, not only in its visual, readable layer.
Directive (EU) 2025/516
It also introduces the concept of a hybrid invoice.
Full data in structured section
Compulsory particulars must be in XML, not just in the visual layer.
One connected document
This is not just a PDF enclosed next door XML.
Separate PDF Annex
The running model XML plus optional PDF annex, not merged hybrid.
Conclusion
Hybrid invoices are admissible under Directive ViDA (EU 2025/516) if the mandatory data contains a structured part of the document; in Slovakia is a more common model of a separate PDF annex k XML.
Sources
- Council Directive (EU) 2025/516 of 11. 30 March 2025
- Law No. 385/2025 Z. z.amending Law No. 222/2004 Z. z. o VAT
Not legal advice. Machine-translated answer, not yet manually reviewed. For the exact wording, see the Slovak original.