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COUNTRY E-INVOICING GUIDE

E-invoicing in Poland

Poland is a Central European EU member undergoing a major digital transformation in VAT compliance. It is rolling out a national mandatory electronic invoicing system (KSeF), which will fully replace traditional invoicing for most businesses.

Overall mandate status
Mandatory
Tax authority
Polish Ministry of Finance / National Revenue Administration (KAS).
Last updated
4 Feb 2026Taken from government sites
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Poland · EuropeView on global map

Requirements at a glance

B2G
Mandatory
B2B
Upcoming
B2C
Not confirmed
MODELNot confirmed
PLATFORM & FORMATKSeF (Krajowy System e-Faktur); mandatory for issuance from 2026. · FA(3) structured XML invoice issued via KSeF, aligned with EN 16931 concepts.
ARCHIVINGE-invoices stored in KSeF for 10 years; taxpayers remain responsible for compliance.

Country overview

Poland is a Central European EU member undergoing a major digital transformation in VAT compliance. It is rolling out a national mandatory electronic invoicing system (KSeF), which will fully replace traditional invoicing for most businesses. The system consolidates issuance, archiving, and reporting into a centralized clearance platform.

Legal basis

Legislation
Amendments to the Polish VAT Act introducing mandatory KSeF issuance from 2026.
Authority
Polish Ministry of Finance / National Revenue Administration (KAS).

Requirements by transaction type

Requirement statusUpcoming
Invoice format
FA(3) structured XML invoice issued via KSeF, aligned with EN 16931 concepts.
Submission or exchange
KSeF (Krajowy System e-Faktur); mandatory for issuance from 2026.
Scope, model and deadlines
Clearance-style model; invoices become legally valid once accepted by KSeF. All domestic B2B transactions between VAT-registered businesses in Poland, mandatory from February 1, 2026.
Not yet available: Transmission path, Real-time authority visibility, Credit notes and corrections

Key dates and implementation phases

Only dates from the country data are shown. Each milestone is labelled Confirmed, Proposed, or Pending confirmation.

No verified dates are available for Poland yet.

Technical requirements

FA(3) structured XML invoice issued via KSeF, aligned with EN 16931 concepts.

Latest updates for Poland

All updates

12 of 12 updates

  1. Poland Clarifies Permanent Establishment Rules for KSeF E-Invoicing

    Poland clarifies rules for determining permanent establishment (SMPD) for KSeF e-invoicing, ahead of the mandatory February 2026 rollout.

  2. Poland Releases Final Executive Acts Completing KSeF Framework

    Poland finalizes the KSeF legal framework as all executive acts are released, confirming exemptions, QR code rules, JPK_VAT updates, and readiness for mandatory e-invoicing from February 2026.

  3. B2C

    Polish Ministry of Finance Publishes Draft Act on the Use of KSeF

    Poland publishes a draft act on KSeF clarifying QR code requirements for offline invoices and removing size limits for structured attachments ahead of mandatory e-invoicing.

  4. Polish Ministry of Finance Publishes Draft Act on KSeF Exemptions

    Poland publishes a draft act defining exemptions from mandatory KSeF e-invoicing, clarifying out-of-scope transactions and rules for voluntary self-billing.

  5. Poland Launches Open Testing for KSeF 2.0 API

    Poland launches open testing for the KSeF 2.0 API, enabling software providers to begin integration testing ahead of mandatory e-invoicing and the October 2025 demo phase.

  6. B2C

    Polish Ministry of Finance Releases New KSeF 2.0 Manual

    Poland releases the KSeF 2.0 Manual and updated guidance, including FA(3) schema, webinars, and test API access, to support preparation for mandatory e-invoicing.

  7. Poland Publishes New Draft Act on the Use of KSeF

    Poland publishes a new draft act on KSeF, clarifying rules on certificates, QR codes, authentication methods, and structured invoice attachments ahead of mandatory e-invoicing.

  8. Poland Publishes Official Timeline for KSeF 1.0 to KSeF 2.0 Transition

    Poland releases the official roadmap for the transition from KSeF 1.0 to KSeF 2.0, confirming test, demo, and production timelines ahead of mandatory e-invoicing in 2026.

  9. Poland confirms mandatory KSeF e-invoicing from 1 February 2026

    Poland confirms mandatory KSeF e-invoicing from February 1, 2026, with phased adoption, offline24 mode, certificates replacing tokens, and full rollout by 2027.

  10. Final schema FA_VAT (3) and KSeF 2.0 API documentation published

    On June 30, 2025, the Polish Ministry of Finance (MoF) published the highly anticipated KSeF 2.0 API documentation, following the release of the final FA_VAT (3) schema on ePUAP on June 25, 2025. Additional guidelines have also been issued, covering QR codes, offline modes, and KSeF certificates.

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