Poland’s National e-Invoicing System (KSeF) for structured XML invoices with real-time clearance; voluntary since 2022, expected mandatory for most VAT taxpayers in 2025, with faster VAT refunds (~40→20 days), full audit trail, and reduced fraud.
KSeF – What It Is and How to Prepare Your Business for Mandatory E‑Invoicing in 2026 1.00https://flowtly.com/build/images/blog/ksef-1.png The National e-Invoicing Syst…
KSeF – czym jest i jak przygotować firmę do obowiązkowego e‑fakturowania w 2026 roku? 1.00https://flowtly.com/build/images/blog/ksef-1.png Krajowy System e-Faktur KSeF…
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