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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The National e-Invoicing System (KSeF) structured invoice for non-transaction transfers of own goods to an EU warehouse – is it required?
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Date09 Mar 2026
In Poland, the move to mandatory e-invoicing through the National e-Invoicing System (KSeF) is forcing businesses to revisit VAT scenarios that were previously treated as pure logistics. One of the...
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Fixed establishment (FE) for National e-Invoicing System (KSeF) in Poland – MoF guidance of 28 January 2026 and practical implications for businesses
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Date17 Feb 2026
A fixed establishment (FE) is a VAT concept describing a situation where a taxpayer — despite having no registered office in Poland — has a sufficiently stable and organised presence...
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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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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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New regulations for Poland’s National E-Invoicing System (KSeF) for 2026. Key changes for businesses
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Date22 Jan 2026
The National E-Invoicing System (KSeF) in Poland is entering a new phase – the Polish Minister of Finance and Economy has signed four key executive regulations that specify the functioning...
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National E-Invoicing System (KSeF) in Poland – summary of work and full schedule of changes. What has already happened and what else awaits entrepreneurs?
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Date25 Nov 2025
The National e-Invoice System (KSeF) in Poland is one of the most complex digitisation projects implemented in the Polish administration in recent years. Its aim is to standardise the circulation...
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Draft regulation: new invoice markings in JPK_VAT in connection with KSeF
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Date17 Nov 2025
The Ministry of Finance has published a draft regulation adapting the structure of JPK_VAT to the mandatory KSeF. Although the document is still at the consultation stage, it provides for...
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How to efficiently prepare for KSeF? A comprehensive guide for entrepreneurs
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Date15 Oct 2025
The National e-Invoice System (KSeF) is a solution that will become mandatory for most taxpayers in Poland from 2026. The system introduces a new model for the circulation of invoices...
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KSeF mandatory from 1 February 2026 – President signs the law
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Date05 Sep 2025
On 27 August 2025, the President of Poland signed the Act of 5 August 2025 amending the VAT Act and the KSeF Act. This concluded the legislative process and confirmed...
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