Portugal
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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 moreNew 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
S4F backoffice patch is intended for users who have already installed S4F backoffice and are intende... Read more
TLv6 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
A new EU Trust List format, TLv6, will officially replace TLv5 in May 2025 as part of the updated eI... Read more
New Certifying Entity to Issue Digital Certificates for Software Producers and Economic Operators in Portugal
Portugal
Author: Nikolina Basić
The Portuguese Tax and Customs Authority announced that a new Certification Authority will go live on May 31, 2025, requiring Software Producers and Economic Operators to use 4096-bit RSA certificates for accessing AT web services. Read more
The Portuguese Tax and Customs Authority announced that a new Certification Authority will go live o... Read more
Portugal Delays B2G e-Invoicing for Small and Medium Businesses
Portugal
Author: Nikolina Basić
Portugal has postponed the mandatory B2G electronic invoicing requirement for small, medium, and microenterprises from January 1, 2025, extending the compliance deadline to December 31, 2025. Until then, businesses can continue using alternative invoicing methods rather than the structured CIUS-PT e-invoicing format. Portuguese authorities have announced another postponement for the mandatory use... Read more
Portugal has postponed the mandatory B2G electronic invoicing requirement for small, medium, and mic... Read more
VIDA regulation adopted—what does that mean for business?
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
The EU adopted the VAT in the Digital Age (ViDA) package on March 11, 2025, introducing major change... Read more
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
S4F backoffice patch is intended for users who have already installed S4F backoffice and are intende... Read more
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. Read more
S4F backoffice patch is intended for users who have already installed S4F backoffice and are intende... Read more
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
S4F backoffice installer is intended for users who are installing the software for the first time. P... Read more
Checklist for the certification process in Portugal
Portugal
Author: Istvan Bozoki
The uploaded document titled "Portugal checklist" provides a detailed compliance checklist for SAF-T (Standard Audit File for Tax) regulations in Portugal. Read more
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
If you are struggling with complex e-invoicing implementations across multiple countries, and if you... 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
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
Do you even know what DPP is? Digital Product Passports (DPP) are set to play a crucial role in th... Read more