Beyond Fakturownia. Other cyberattack announcements
Enel-med, PUZ in Suwałki, Zdrowit and Inowrocław alongside Fakturownia. What is known about the incidents, and what do they mean for customers and businesses?
AnalysisSeptember 30, 2026
Analysis
KSeF analysis for companies and accountants: regulations, risks, implementation, invoice data and the business impact of e-invoicing.
Articles and instructions
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KSeF penalty deferral through 2027? What the Ministry plans
Poland plans to defer KSeF error penalties through 2027. We explain the proposal's legal status, current deadlines and impact on businesses.
AnalysisSeptember 23, 2026
Personal Investment Account (OKI) for business owners
See who can open OKI, how its exemptions and asset-value tax work, and what the rules mean for a person running a business in Poland.
AnalysisAugust 18, 2026
Free Invoicing Software for KSeF
Compare submission limits, retrieval, alerts, AI, workflows and team access in KSeF invoicing options available for PLN 0.
AnalysisAugust 14, 2026
Does a new payment due date require a corrective invoice in KSeF?
See when changing the payment date leads to a corrective invoice and why the tax interpretation of July 10, 2026 does not provide a completely unambiguous answer.
AnalysisAugust 13, 2026
What is ViDA and how does it affect Polish businesses?
Understand ViDA's three pillars, the timeline through 2035 and what a Polish business can do now without implementing unsettled rules.
AnalysisJuly 23, 2026
MPP on KSeF invoices after an individual interpretation
Analysis of the dispute over voluntary split payment in KSeF: where the technical invoice marking ends and the tax risk of overinterpretation begins.
AnalysisJuly 9, 2026
Zondacrypto scandal and KSeF - tax transparency 2026
What links the Zondacrypto collapse to KSeF? Analysis: DAC8, MiCA, PIT-38, and missing documentation. Lessons for crypto firms and accountants in 2026.
KSeFMay 12, 2026
KSeF is Just the Beginning. Why AI Will Change Your Accounting More Than e-Invoicing Itself
February 1, 2026 – this date has been stirring emotions for months. But is KSeF really the problem? Or is it an opportunity that most companies don't see?
AnalysisFebruary 15, 2026