Foreign buyer invoices fail KSeF XML checks
Invoices to buyers outside Poland, such as Israel, Brazil or Greece, fail KSeF XML validation on address length, country code or VAT prefix.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 29 April 2026 · last reported 4 August 2026
What's going wrong
Site owners of the Flexible Invoices KSeF add-on who bill customers abroad report that invoices to buyers in countries such as Israel, Brazil and Greece are rejected by KSeF's XML schema check.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.