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Slovenia is one of the representatives of the new type of fiscalization, which has also been used in few other European countries. The online type of fiscalization has also been implemented in Slovenia. It has been defined as the most productive and efficient method of control of taxpayers in this sector.
Slovenia
The core of Slovenian fiscal law is an online authorization of every fiscal relevant transaction created at the POS system. POS software solution communicates with Tax Authority, collects authorization code which is printed on every receipt. QR code is also mandatory to be printed on every fiscal receipt.
Type of fiscalization: Software
Latest news for Slovenia
See moreTLv6 Implementation Marks Significant Shift in EU’s Trust List Format
A new EU Trust List format, TLv6, will officially replace TLv5 in May 2025 as part of the updated eIDAS Regulation (EU 2024/1183). It introduces key technical changes like a new URI field, updated signature format, and optional phone number support. Organizations must update their systems to avoid signature validation failures and service disruptions, as TLv5 will no longer be valid once TLv6 take... Read more
TLv6 Implementation Marks Significant Sh...
A new EU Trust List format, TLv6, will officially replace TLv5 in May 2025 as part of the updated eI... Read more
Slovenia: Update Regarding VAT Reporting and Electronic Invoicing

Starting July 2025, all VAT-registered businesses in Slovenia must submit VAT records to the tax authority (FURS) in a structured digital format. A draft law also proposes mandatory B2B e-invoicing from January 1, 2027, covering all taxpayers and supporting formats like e-SLOG and EN 16931. These changes aim to reduce tax fraud, streamline compliance, and increase transparency through digital repo... Read more
Slovenia: Update Regarding VAT Reporting...

Starting July 2025, all VAT-registered businesses in Slovenia must submit VAT records to the tax aut... Read more
Slovenia: Beginning in July 2025, mandatory VAT reporting and pre-filled VAT returns

Starting July 1, 2025, all VAT payers in Slovenia must provide proof of calculated VAT and VAT deduction, with pre-filled VAT returns introduced under Article 88.d. The Financial Administration's website provides detailed guidelines and technical specifications for submission via the KIR KPR online service. All VAT payers are required to provide proof of calculated VAT and proof of VAT ded... Read more
Slovenia: Beginning in July 2025, mandat...

Starting July 1, 2025, all VAT payers in Slovenia must provide proof of calculated VAT and VAT deduc... Read more
The EU adopted the VAT in the Digital Age (ViDA) package on March 11, 2025, introducing major changes to the VAT system starting January 1, 2027. Key reforms include mandatory digital VAT reporting by 2030, new VAT collection rules for online platforms, and expanded One-Stop Shop (OSS) registration to simplify cross-border compliance. Additional measures, such as mandatory e-invoicing, phasing out... Read more
VIDA regulation adopted—what does that m...
The EU adopted the VAT in the Digital Age (ViDA) package on March 11, 2025, introducing major change... 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. Read more
New document was uploaded: S4F backoffic...
Slovenia's 2027 B2B E-Invoicing Proposal

Slovenia's new draft law on B2B e-invoicing, submitted in February 2025, postpones the mandate from July 2026 to January 2027 and removes real-time reporting, requiring invoice data submission within eight days via the e-SLOG standard. The proposal mandates ISO/IEC 27001 certification for accredited e-invoicing service providers and recognizes the Peppol network for B2B exchanges. The reform aims... Read more
Slovenia's 2027 B2B E-Invoicing Proposal

Slovenia's new draft law on B2B e-invoicing, submitted in February 2025, postpones the mandate from... Read more
Latest document for Slovenia
See moreS4F 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
S4F backoffice installer
Recorded webinar: E-invoicing for Global Retailers
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 acros... Read more
Recorded webinar: E-invoicing for Global...
If you are struggling with complex e-invoicing implementations across multiple countries, and if you... Read more
S4 Fiscal Service for Slovenia

S4FiscalService for Slovenia is an installation package for S4FS fiscal middleware in Slovenia. 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
S4 Fiscal Service for Slovenia

S4FiscalService for Slovenia is an installation package for S4FS fiscal middleware in Slovenia. An... Read more
Overview of fiscalization in European countries
This document contains an overview of the presence of fiscalization and its types in all European countries. Read more
Overview of fiscalization in European co...
This document contains an overview of the presence of fiscalization and its types in all European co... Read more
Digital Product Passport
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
Digital Product Passport
Do you even know what DPP is? Digital Product Passports (DPP) are set to play a crucial role in th... Read more
Recorded webinar: It’s time to grow together
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
In this discussion, we have introduced our new partner program and what is essential for internation... Read more