Croatia’s Tax Administration has released an updated version of the fiscalization service for testing, effective in the test environment from July 24, 2025, ahead of the September 1, 2025 enforcement date. Key changes under the new Fiscalization Act and Technical Specifications v2.6 include the abolition of fiscalization for supporting documents and for check payments. Read more

Croatia will implement mandatory e-invoicing and real-time digital reporting for all VAT-registered businesses starting January 1, 2026, under its Fiscalization 2.0 reform. The new system introduces a Continuous Transaction Controls (CTC) model covering B2B, B2G, and B2C transactions, with a wider rollout to non-VAT businesses by 2027. A national testing phase begins in September 2025, aiming to e... 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

Croatia has updated its e-invoicing rules to require compliance with both EU standard EN 16931-1:2017 and national technical specifications, mandating additional data fields and integration with the Fiscalization System. A key requirement is the inclusion of CPA codes (minimum six digits) for all goods and services, along with strict invoice numbering, issuer identification, and detailed fiscal an... Read more

Croatia has amended its Regulation on the Personal Identification Number (OIB) to enhance data accuracy, modernize digital verification, and align with updated economic classifications. Key changes include expanded data collection, mandatory reporting for bankruptcy proceedings, the phase-out of outdated identifiers, and the introduction of NKD 2025, with most provisions effective from July 19, 20... Read more

As part of Croatia’s Fiscalization 2.0 project, e-Invoicing in structured XML format will become mandatory for all B2B transactions by VAT-registered businesses starting January 1, 2026. E-Invoices must be exchanged through certified information intermediaries who ensure legal compliance, technical accuracy, and long-term digital archiving. Read more

Croatia’s Tax Administration has launched a Compliance Testing Portal to support testing of e-invoice exchange, fiscalization, and MPS service solutions under the new Fiscalization Law. From September 1, 2025, all entities intending to act as Access Points must complete mandatory final testing of their systems via this portal. Read more