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

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

The uploaded document serves as the official application template for companies seeking approval for their ESIR (Electronic System for Issuing Receipts) solutions in the Republic of Serbia. Read more

In this discussion, we have introduced our new partner program and what is essential for international growth, while dealing with topics such as - Success factors for POS applications - What does globalization mean? - How to grow globally? Furthermore, we presented benefits for our partners.  Last but not least, we presented our fiscal cloud architecture and its important features.  Read more

On October 26th, 2022, Fiscal Solutions organized a free webinar on the topic of „5 things you need to know to run international fiscalization“. It was held by Danilo Krstonijević, Account Manager at Fiscal Solutions. This webinar will solve your doubts, such as how to analyze and understand all the requirements and how to define a budget, timeline, and project plan. Furthermore, you’ll find out... Read more

If you are struggling with complex e-invoicing implementations across multiple countries, and if you are concerned about mounting costs, potential delays, or compliance risks, our webinar will help you to learn how global retailers can streamline e-invoicing efficiently!  With countries worldwide mandating e-invoicing, international retailers face unique challenges adapting to new regulations... Read more

On March 15, 2023, Fiscal Solutions organized a free webinar on the topic of „Meet Fiscal Solutions—What is our core business?“ The webinar was held by Danilo Krstonijević, Account Manager at Fiscal Solutions. This webinar introduces us as an IT specialist for fiscalization and explains in detail what we do. Read more

On April 5, 2023, Fiscal Solutions organized a free webinar on the topic of „New regulations around e-receipts in European countries“. The webinar was held by Mitul Jain, CEO and co-founder at Refive, and Nikolina Basić, Legal Consultant at Fiscal Solutions. This webinar introduces the specific regulations in various European countries when it comes to e-receipts. Read more

On May 15th, 2025, Fiscal Solutions organized a free webinar on the topic of "Fiscalization and online sales in European countries". The webinar was held by Fiscal Solutions Legal Consultant Nikolina Basić. Let’s delve deeper into this topic! Read more

On May 15th, 2025, Fiscal Solutions organized a free webinar on the topic of "Fiscalization and online sales in European countries". The webinar was held by Fiscal Solutions Legal Consultant Nikolina Basić. Let’s find out more about answers to questions asked during the webinar. Read more

This series of instructional videos provide insight into the Serbian fiscalization system. Both legal and technical aspects of the fiscalization system of Serbia are presented, and divided into appropriate topics. Read more

This document addresses the similarities and differences in fiscal laws in Serbia and the Republic of Srpska, aiming to provide a clear picture of the fiscalization landscape in both countries. Read more

S4FiscalService for Serbia is an installation package for S4FS fiscal middleware in Serbia. An integrative part of the installation package is, among others, the General Interface Description, the Service Interface Description, Release Notes, the S4F Service Installation Manual, and sensitive data encryption. They are all packed in a zip file that is ready for download. Read more

This document contains an overview of the presence of fiscalization and its types in all European countries. Read more

Do you even know what DPP is? Digital Product Passports (DPP) are set to play a crucial role in the European Union’s commitment to a circular economy. The purpose of this document is to provide you with a necessary overview of the upcoming Digital Product Passport requirements set to be implemented by the European Union. Read more

The objective of this document is to describe how electric vehicle charging stations (e-Chargers) should be handled and to give a general overview of the fiscalization requirements based on the research and analysis on this topic. We will determine, e.g., if e-charging is considered a sale of goods or services, as well as the treatment of e-chargers within the fiscalization framework. Read more