- Poland is postponing mandatory use of the National E-Invoicing System (KSeF) to fix system flaws.
- Large enterprises must use KSeF from February 1, 2026; other VAT entities from April 1, 2026; micro-entities possibly from January 1, 2027.
- The KSeF IT system will be rebuilt with modular implementation, ongoing testing, and new leadership.
- KSeF mandates structured XML invoices for B2B transactions, bans PDF attachments, and gives tax authorities real-time access.
- Relief for preparation costs and penalties for non-compliance (starting 2027) are being considered.
Source: news.bloombergtax.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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