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Electronic invoicing requirements

Unifiedpost Group has an outbound and inbound solution to and from KSeF. We are also an accredited Peppol Access Point.

Technical requirements

  • Platform - Peppol (B2G) and KSeF (B2B)
  • Format - Peppol BIS 3.0 and XML based FA
  • Archival period - Minimum 10 years

B2G mandates

  • Receiving - All public bodies
  • Issuing - In line with the B2B obligation

B2B mandates

  • 1 February 2026 - For businesses with a turnover exceeding 200M PLN
  • 1 April 2026 - Remaining businesses
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