- From 1 February 2026, e-invoicing via Poland’s KSeF system becomes mandatory, impacting VAT reporting.
- The JPK_VDEK (SAF-T VAT return) schema will require new mandatory invoice reference fields: a KSeF identification number or one of the codes (OFF, BFK, DI).
- VAT returns missing these fields will be rejected, with no grace period, leading to compliance risks and possible penalties.
- Businesses must update their systems and data extraction processes to ensure these fields are included before filing.
- Avalara will update its products, but customers are responsible for ensuring their data includes the required fields.
Source: avalara.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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