- The Ministry of Finance is updating the service addresses for the National e-Invoicing System (KSeF) in preparation for the launch of KSeF 2.0, with all existing addresses remaining active during a transition period to facilitate gradual system adjustments by integrators.
- New addresses will be provided starting December 15, 2025, with a requirement for integrators to switch to the new addresses in test environments by January 10, 2026, after which automatic redirects from old to new addresses will be implemented.
- Old addresses will be completely disabled on January 17, 2026, and from February 1, 2026, the production environment will only be accessible through the new addresses, while the MCU service address will remain unchanged.
Source: gov.pl
Briefing document & Podcast: Poland E-Invoicing, E-Reporting and KSeF Mandate – VATupdate
- See also
- Join the Linkedin Group on Global E-Invoicing/E-Reporting/SAF-T Developments, click HERE
- Join the LinkedIn Group on ”VAT in the Digital Age” (VIDA), click HERE
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