-
Mandatory E-Invoicing: Poland’s KSeF mandates structured XML e-invoicing for businesses by 2026–2027, with phased deadlines based on business size and sales volume to ensure smooth compliance.
-
Business Preparation: Companies must adopt FA(3) XML format, choose integration methods (API, ERP, or service providers), participate in 2025 testing, and train staff for seamless KSeF system adoption.
-
Transition Support: Temporary relief includes no penalties until end-2026, optional KSeF numbers on payments, and continued cash register invoicing, helping businesses adjust while avoiding early compliance risks.
Source: SNI
