National e-Invoicing System (KSeF) in Poland vs. e-Invoicing in Germany: key differences and challenges for companies
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Date18 May 2026
KSeF vs e-invoicing in Germany is an important topic for companies operating across borders, corporate groups, subsidiaries and businesses working with contractors in both Poland and Germany. Both countries are...
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Corrective invoices in the National e-Invoicing System (KSeF) in Poland – what will change in VAT corrections?
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Date13 May 2026
Corrective invoices in the National e-Invoicing System (KSeF) in Poland will change the way businesses issue, deliver and account for VAT corrections. Once a taxpayer becomes subject to mandatory structured...
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Self-billing in the National e-Invoicing System in Poland (KSeF) and VAT deduction
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Date24 Apr 2026
Self-billing in the National e-Invoicing System in Poland (KSeF) remains permissible, but after the individual tax ruling issued by the Director of the National Revenue Information (KIS) on 27 February...
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National e-Invoicing System in Poland (KSeF) and scam invoices: why document control is essential
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Date17 Apr 2026
National e-Invoicing System in Poland (KSeF) is changing how invoices are issued, received and circulated within a company, but it does not remove the need to verify them on the...
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How to log in to the National e-Invoicing System (KSeF) in Poland and avoid access issues? A guide for entrepreneurs
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Date17 Mar 2026
In 2026, the National e-Invoicing System (KSeF) in Poland became an important part of day-to-day business operations. However, obtaining access to the system is only the first step. Businesses still...
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Accounting Poland for international companies: Polish National Accounting Standards (KSR) vs IFRS and US GAAP
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Date16 Mar 2026
In international organisations, accounting Poland often means working in two frameworks at the same time: local statutory financial reporting in Poland and group reporting for consolidation purposes. The real challenge...
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The Ministry of Finance regulation extends the JPK_CIT submission deadline in Poland – what changes in 2026?
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Date23 Feb 2026
On 19 February 2026, Poland published a regulation of the Minister of Finance and Economy (dated 16 February 2026) extending the deadline for submitting accounting books for corporate income tax...
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The National e-Invoicing System (KSeF) in Poland and the new JPK_VAT structure from 1 February 2026
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Date16 Feb 2026
From 1 February 2026, a new version of the Polish VAT reporting structure applies: JPK_V7M(3) for monthly VAT settlements and JPK_V7K(3) for quarterly settlements. The change applies under Polish tax...
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Draft postponement of the JPK_CIT reporting deadline – why it matters for businesses in Poland in 2026
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Date02 Feb 2026
The draft postponement of the JPK_CIT reporting deadline is a response to practical challenges faced by finance, accounting and tax teams during year-end closing in Poland. The obligation to report...
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Year-end accounting close in Poland for 2025 – deadlines, stages and key risks for businesses
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Date29 Jan 2026
A year-end accounting close in Poland for 2025 is one of the most critical processes in a company’s annual finance cycle. Its quality directly affects the reliability of your financial...
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