Poland introduces KSeF: why e-invoicing becomes mandatory and what it means
Updated: January 2026. Poland is moving to make structured e-invoices the norm through KSeF (Krajowy System e-Faktur), a national system where invoices are created, transmitted, received, and stored in a shared digital flow. The rationale is both fiscal-policy driven and practical: stronger tools to counter VAT fraud, more standardised business […]
