Fiscal subject related
The TLS v1.3 encryption protocol is a standard that provides a higher level of information security during data exchange over the internet. The Tax Administration will support TLS v1.1, v1.2, and v1.3 encryption protocols in the test environment of the fiscalization service starting in September.
The Tax Administration has invited producers and maintainers of software solutions for fiscalization to check the compatibility of their solutions with the CIS of the Tax Administration via TLS v1.1, v1.2, and v1.3 protocols in September and, if necessary, make the required adjustments in their solutions.
Other news from Croatia
Fiscalization 2.0: New Consolidated Guide Unifies All Test Environment Information for Upcoming System Changes
Croatia
Author: Vukašin Santo
A new consolidated document now brings together all available information on existing and planned test environments for Fiscalization 2.0, giving stakeholders a single, structured reference point. It outlines current capabilities and upcoming features to help businesses plan system adjustments and prepare efficiently for the new fiscalization requirements A consolidated document has been released... Read more
New document was uploaded: S4FiscalBackoffice Patch
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
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Already subscriber? LoginNew document was uploaded: S4F backoffice installer
S4F backoffice installer is intended for users who are installing the software for the first time. Please make sure to obtain latest version of installer and to apply all subsequent patches that are released subsequently. This package contains instruction, release notes, changelog and software packages required for deployment of this software component. This version of the Backoffice installer supports the following countries: Austria, Bulgaria, Croatia, France, Italy, Poland, Portugal, Romania, Slovakia and Slovenia. Read more
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Already subscriber? LoginNew document was uploaded: S4FiscalBackoffice Patch
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
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Already subscriber? LoginNew document was uploaded: Empties handling in Croatia
Croatia
Author: Vukašin Santo
This document provides a concise overview of how returnable and non-returnable packaging is treated within the Republic of Croatia, including the relevant legislation, definitions, and a description of the purchase and return process. It aims to inform consumers, retailers, and partners of the applicable rules and procedures. Read more
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Already subscriber? LoginTemporary Shutdown of All Croatia: Tax Administration Systems from Friday to Monday
Croatia
Author: Vukašin Santo
The Croatian Tax Administration's systems will be unavailable from 21 November 2025 at 16:00 to 24 November 2025 at 08:00 due to digital transformation work, impacting various electronic services and submissions. The Croatian Tax Administration has announced on its official website that all of its systems will be temporarily unavailable due to scheduled work related to the implementation of the Ta... Read more
Notice to Users of the FiskAplikacija and MikroEračun Applications in Croatia
Croatia
Author: Vukašin Santo
Croatia’s Tax Administration warns that FiskAplikacija and MikroEračun can only be accessed through the official ePorezna system, and similar external websites are not legitimate. Users should log in exclusively with NIAS credentials via ePorezna to avoid data misuse, and official guides are available to support correct access The Tax Administration informs users of the FiskAplikacija and MikroEra... Read more