The Croatian Tax Authority announced that, during the initial phase of implementing the Fiscalization Act, it will apply the principle of opportuneness and refrain from initiating misdemeanor proceedings for early technical or operational difficulties in issuing or fiscalizing eInvoices. However, mandatory eReporting obligations remain fully in force—including the reporting of payments and rejecte... Read more

Taxpayers required to issue and receive eInvoices must submit monthly eReporting (eIzvještavanje) by the 20th day of the following month, with the first deadline set for 20 February 2026 covering January 2026 domestic fiscalized transactions. Reporting is performed per invoice—via web service, accredited intermediary, or FiskAplikacija—and includes issuer obligations to report payments and non-iss... Read more

Narodne novine No. 11/26 introduces new and amended tax rulebooks on e-invoicing, the General Tax Act, and VAT, further advancing the digitalization of tax administration and strengthening compliance requirements for taxpayers. The latest issue of Narodne novine No. 11/26 has published several important regulatory acts affecting the tax and invoicing framework. The published regulations include:... Read more

The Croatian Tax Administration has released an updated e-Invoice validator with technical fixes and enhancements to improve accuracy, stability, and validation of structured invoice data. The authority confirmed that the Core Usage Specification remains unchanged, as the updates affect only validator logic and technical processing, not business rules. The Croatian Tax Administration has released... Read more

In the first two weeks of Fiscalization 2.0 (1–15 January 2026), Croatia saw strong eInvoice adoption with over 2.55 million fiscalized invoices and clear guidance from the Tax Administration confirming correct handling of self-billing scope, structured XML data in MIKROeRAČUN, and that technical errors (e.g., incorrect dates) do not trigger penalties or tax liabilities during the implementation p... Read more

S4F backoffice patch is intended for users who have already installed S4F backoffice and are intended to update existing installations to latest version. To do so apply only patches that are marked with version number that is newer than your currently installed instance of backoffice. Please make sure to install all available patches sequentially (without skipping). This package contains instruction, release notes, changelog and software packages required for deployment of this software component. Read more

The Croatian Tax Authority has officially denied claims about instability in the fiscalization system and confirmed that there is no legal or technical reason to postpone the issuance or transmission of eInvoices, including up to 7 January. Taxpayers are urged to rely only on official communications, as the Authority warned that spreading misinformation about the fiscalization system may lead to l... Read more