How to log in to the National e-Invoicing System (KSeF) in Poland and avoid access issues? A guide for entrepreneurs
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 need to decide who should have access to invoices, how the company will authenticate itself, and how to assign permissions... Read More →
Accounting Poland for international companies: Polish National Accounting Standards (KSR) vs IFRS and US GAAP
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 is not posting entries — it’s keeping financial data consistent when Polish balance-sheet rules (the Polish Accounting Act (Ustawa o... Read More →
The Ministry of Finance regulation extends the JPK_CIT submission deadline in Poland – what changes in 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 (CIT) purposes in the JPK_CIT structure. The change matters primarily for entities included in the first implementation wave — because... Read More →
The National e-Invoicing System (KSeF) in Poland and the new JPK_VAT structure from 1 February 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 law and affects all active VAT taxpayers in Poland submitting JPK_VAT files for periods starting from February 2026. The key... Read More →
Draft postponement of the JPK_CIT reporting deadline – why it matters for businesses in Poland in 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 accounting-book data in JPK structures for income taxes (including, among others, JPK_KR_PD and JPK_ST_KR, collectively referred to as JPK_CIT) requires... Read More →
Year-end accounting close in Poland for 2025 – deadlines, stages and key risks for businesses
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 statements, your tax compliance position, and business decisions based on trustworthy data. For organisations using full accounting (pełna księgowość; statutory... Read More →
New regulations for Poland’s National E-Invoicing System (KSeF) for 2026. Key changes for businesses
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 of KSeF. The documents explain, among other things, when there is no obligation to issue structured invoices in KSeF, how... Read More →
Accounting in Poland in 2026 – what a foreign entrepreneur should know
Poland remains one of the most attractive markets in Central and Eastern Europe for foreign investors and entrepreneurs. A stable economy, access to the EU market and a well-developed business infrastructure mean that an increasing number of companies decide to start their operations here. One of the key areas that... Read More →
National E-Invoicing System (KSeF) in Poland – summary of work and full schedule of changes. What has already happened and what else awaits entrepreneurs?
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 of invoices, increase data security, speed up accounting processes and automate settlements. At the end of November 2025, work on... Read More →
Draft regulation: new invoice markings in JPK_VAT in connection with KSeF
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 significant changes in the way invoices are reported, including the obligation to display the KSeF number on the purchase side... Read More →
