E-Invoicing in Croatia — Fiskalizacija 2.0 is live

As of June 2026: mandatory domestic B2B and B2G e-invoicing with real-time e-reporting has been in force since 1 January 2026 for VAT-registered businesses under Fiskalizacija 2.0. Non-VAT taxpayers must receive e-invoices now and issue them from 1 January 2027. Confirm current rules with the Porezna uprava.

The Croatian Mandate

Croatia's Fiskalizacija 2.0 mandate is already live. Under the Fiscalization Act passed in June 2025 (with a voluntary testing phase from September 2025), mandatory domestic B2B and B2G e-invoicing with real-time e-reporting took effect on 1 January 2026 for all VAT-registered businesses established in Croatia — they must issue and receive structured e-invoices (eRačun) and the invoices are fiscalised (reported in real time) to the Croatian Tax Authority. Non-VAT taxpayers must be able to receive e-invoices from 2026 and must issue them from 1 January 2027. Invoices must conform to EN 16931; Croatia uses a national CIUS called HR-FISK 2.0 in UBL 2.1, and the system supports Peppol BIS 3.0 (UBL XML).

How Invotify Helps

Invotify Pro exports your invoices as UBL 2.1, CII, or Peppol BIS 3.0 — the EN 16931-aligned, UBL-based formats Croatia's Fiskalizacija 2.0 mandate is built on. Invotify generates the structured eRačun file; because Croatia requires real-time fiscalisation reporting, you deliver and report it through a Peppol access point or an approved service provider (or the tax authority's own tools). Invotify handles the standards-based invoice; your access point handles the fiscalisation. E-invoicing is a Pro feature.

  • UBL 2.1
  • CII
  • Peppol BIS 3.0

E-Invoicing in Croatia —
Frequently Asked Questions

Q01

Is B2B e-invoicing mandatory in Croatia now?

Yes. As of June 2026, mandatory domestic B2B and B2G e-invoicing with real-time e-reporting has been in force since 1 January 2026 for all VAT-registered businesses established in Croatia, under the Fiskalizacija 2.0 mandate. Non-VAT taxpayers must already receive e-invoices and must start issuing them from 1 January 2027. Confirm the latest details with the Porezna uprava (Croatian Tax Administration).

Q02

What formats does Croatia's e-invoice (eRačun) require?

Croatian e-invoices must conform to the EU norm EN 16931. Croatia uses a national CIUS called HR-FISK 2.0 in UBL 2.1 format, and the system supports Peppol BIS 3.0 (UBL XML) as a common exchange format. Invotify Pro exports UBL 2.1, CII, and Peppol BIS 3.0 — the standards-based formats aligned with the mandate.

Q03

What is fiscalisation (e-reporting) and does Invotify do it?

Under Fiskalizacija 2.0, e-invoices are reported in real time to the Croatian Tax Authority — that's the e-reporting / fiscalisation step. Invotify Pro generates the standards-based eRačun (UBL 2.1, CII, or Peppol BIS 3.0); the real-time fiscalisation transmission is handled by a Peppol access point, an approved service provider, or the authority's own tools. Confirm your reporting setup with the Porezna uprava.

Q04

Who has to comply, and from when?

From 1 January 2026, all VAT-registered businesses established in Croatia must issue and receive e-invoices for domestic B2B and B2G transactions and report them in real time. Non-VAT-registered taxpayers must be able to receive e-invoices from 2026 and must issue them from 1 January 2027. Invotify Pro exports the EN 16931-aligned formats throughout. Verify your obligations with the Porezna uprava.

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