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E-INVOICING GUIDE

E-invoicing in Poland: A Definitive Guide

Everything you need to know to comply with Poland’s 2026 e-invoicing mandate.

A practical guide to Poland's B2B e-invoicing requirements

On 6 August, the Polish Parliament approved legislation making e-invoicing mandatory via the national e-invoicing system KSeF for all VAT taxpayers. From 1 February 2026, businesses with annual sales over PLN 200 million must comply, with all other VAT-registered businesses following from 1 April 2026.

This comprehensive guide breaks down what you need to do to ensure a your business is compliant.

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