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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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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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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