peppolo.com — Peppol & e-invoicing mandate news https://www.peppolo.com/resources/news/ Mandate updates and Peppol network news, by Verteco. Poland confirms KSeF mandatory e-invoicing schedule https://www.peppolo.com/resources/news/poland-ksef-schedule-confirmed/ https://www.peppolo.com/resources/news/poland-ksef-schedule-confirmed/ Thu, 20 Aug 2026 00:00:00 GMT KSeF becomes mandatory for large taxpayers on 1 February 2026 and for all other businesses on 1 April 2026. Belgium's B2B e-invoicing mandate is live https://www.peppolo.com/resources/news/belgium-b2b-mandate-live/ https://www.peppolo.com/resources/news/belgium-b2b-mandate-live/ Mon, 05 Jan 2026 00:00:00 GMT Since 1 January 2026, structured e-invoicing is mandatory between Belgian VAT-registered businesses, with Peppol BIS as the default standard.