
Poland Feb 2026 B2B KSeF e-invoicing new timelines
Ministry of Finance confirms Feb 2026 mandatory KSeF 2.0 B2B e-invoicing; new timeline law and technical spec’s; penalty soft landing delay to 1st Jan 2027 The Polish Ministry of Finance has provided an update on the launch of its mandatory B2B e-invoicing regime, KSeF 2.0.