Liability for KSeF errors in Poland rests primarily with the taxpayer, even when employees or an external accounting firm handle..
Learn more4 November 2026
Following a third-party data breach in Poland, companies should identify compromised information, secure access and assess financial fraud risks. If..
Learn more22 October 2026
Poland’s Ministry of Finance announced that penalties for errors involving the National e-Invoicing System (KSeF) are to be postponed until..
Learn more29 September 2026
From 1 January 2027, a number assigned by Poland’s National e-Invoicing System (KSeF), or a KSeF collective identifier, will be..
Learn more21 September 2026
An invoice mistakenly submitted to KSeF does not always have to be corrected to zero. Poland’s Ministry of Finance (MF)..
Learn more21 August 2026
An in-minus corrective invoice in Poland generally requires the buyer to reduce input VAT in the period in which the..
Learn more12 August 2026
KSeF invoices for services supplied abroad may be mandatory even when the service is taxable outside Poland. The decisive factors..
Learn more5 August 2026
E-invoicing in Poland and the UK currently follows different models. Poland has operated a mandatory, centralised KSeF system since 2026,..
Learn more21 July 2026
Split payment and KSeF invoices in Poland From 1 January 2027, payments for structured invoices issued through the National e-Invoicing..
Learn more6 July 2026
The National e-Invoicing System (KSeF) in Poland and VAT deductionis a topic that requires companies to distinguish between several practical..
Learn more19 June 2026
The KSeF and Italian SdI system comparison is one of the most important reference points for businesses seeking to understand..
Learn more11 June 2026
to KSeF. In practice, businesses should treat the visualization as a readable representation of the data sent to the National..
Learn more8 June 2026
KSeF vs e-invoicing in Germany is an important topic for companies operating across borders, corporate groups, subsidiaries and businesses working..
Learn more18 May 2026
Corrective invoices in the National e-Invoicing System (KSeF) in Poland will change the way businesses issue, deliver and account for..
Learn more13 May 2026
National e-Invoicing System in Poland (KSeF) is changing how invoices are issued, received and circulated within a company, but it..
Learn more17 April 2026
The National e-Invoice System (KSeF) in Poland is one of the most complex digitisation projects implemented in the Polish administration..
Learn more25 November 2025