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The Portuguese fiscalization system is the part of the systems which can be classified as Software-based fiscalization. Before its usage, the POS SW must pass through the compulsory certification procedure.
Portugal
Portugal has a software-based fiscalization system, which means that it is mainly focused on the characteristics of the POS application and demands regarding functions of the POS program such as security mechanisms, inalterability standards for the created fiscal data, and so on. The POS application used by the taxpayer must be certified by the Portuguese General Directorate for Taxation.
Type of fiscalization: Software
Latest news for Portugal
See morePortugal: VAT Updates

Between March and May 2025, Portugal’s Tax and Customs Authority released new VAT rules and clarifications, with key changes taking effect from July 1, 2025. These include simplified VAT filing procedures, a €650,000 turnover threshold for monthly returns in 2026, and the adoption of the EU SME Scheme for cross-border businesses. Read more
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Between March and May 2025, Portugal’s Tax and Customs Authority released new VAT rules and clarific... 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
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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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New document was uploaded: S4F backoffice 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. Read more
Subscribe to get access to the latest news, documents, webinars and educations.
Already subscriber? LoginNew document was uploaded: S4F backoffic...
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
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Already subscriber? LoginNew document was uploaded: Q& A from the...
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
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Latest document for Portugal
See moreS4F backoffice 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? LoginS4F backoffice patch
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
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Already subscriber? LoginQ& A from the webinar: Fiscalization and...
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
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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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Checklist for the certification process in Portugal

The uploaded document titled "Portugal checklist" provides a detailed compliance checklist for SAF-T (Standard Audit File for Tax) regulations in Portugal. Read more
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Already subscriber? LoginChecklist for the certification process...

The uploaded document titled "Portugal checklist" provides a detailed compliance checklist for SAF-... Read more
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