Is Peppol used in Croatia?

Croatia uses access points and information intermediaries; several of them are Peppol-connected. The invoice content follows EN 16931.

The Croatian personal identification number, also used as the VAT number with the HR prefix.

Does the free plan work for Croatian invoices?

Yes, all formats and countries are included in the free plan with 3 validations per month.

Validate e-invoices for Croatia's Fiscalization 2.0

Since 1 January 2026 Croatian VAT payers must issue, receive and fiscalize e-invoices in EN 16931 XML. Non-VAT businesses follow on 1 January 2027. Check the EN 16931 core of your UBL files here.

VAT payers: In force since 1 Jan 2026
Non-VAT businesses: 1 Jan 2027
Format: EN 16931 with Croatian CIUS
VAT ID: HR + 11-digit OIB

Rules

Drop your e-invoice here

UBL 2.1 · Peppol BIS 3.0 · XRechnung · Factur-X / ZUGFeRD (XML or PDF)

Processed in memory and never stored. PDFs are unpacked in your browser.

What this validator checks for Croatia

Croatian VAT IDs (OIB) with the ISO 7064 MOD 11,10 check digit
EN 16931 mandatory content and calculations
VAT at 25%, 13% and 5% per category
Currency codes — EUR since 2023
Payment instructions and IBAN check digits

Core rules first

The Croatian CIUS adds national fields for fiscalization. InvoiceVerify checks the EN 16931 core that every Croatian e-invoice is built on; national extensions are verified by your information intermediary during fiscalization.