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
Business regulation changes in Poland in August 2026 cover the EU Inc. proposal, new employment-law requirements, Employee Capital Plans, the..
Learn more2 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
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
Key regulatory and business developments in Poland June 2026 brought several important regulatory and business developments for companies operating in..
Learn more3 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
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
Tax audits in Poland are entering a new stage of digitalisation. For companies, this means a change that goes much..
Learn more5 May 2026
Self-billing in the National e-Invoicing System in Poland (KSeF) remains permissible, but after the individual tax ruling issued by the..
Learn more24 April 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
In 2026, the National e-Invoicing System (KSeF) in Poland became an important part of day-to-day business operations. However, obtaining access..
Learn more17 March 2026
In Poland, the move to mandatory e-invoicing through the National e-Invoicing System (KSeF) is forcing businesses to revisit VAT scenarios..
Learn more9 March 2026