Key documents
General
iThe General section provides a high-level overview of fiscalization and retail compliance requirements in each country. It may include country information, type of fiscalization model, main obligations and practical compliance context. This section helps users quickly understand how the country’s fiscal system works.
Legal
iThe Legal section covers the rules and official information needed to understand fiscalization and related compliance obligations in each country. It includes official laws, draft regulations, tax authority guidance, public consultations, legal interpretations, and updates on upcoming regulatory changes. This section helps users identify the legal basis of each requirement and follow the regulatory context behind fiscal, e-invoicing, e-reporting and retail compliance obligations.
Technical
iThe Technical section provides practical information on how fiscal, e-invoicing, e-reporting and other compliance requirements apply to POS, ERP, middleware and other business systems. This section may include details on technical integrations, data formats, communication with tax authorities, fiscal devices, electronic documents, archiving, offline mode, certification and mandatory system functionalities. Its purpose is to give users clear and implementation-oriented guidance for operation in a specific country.
Last news published on: 03.09.2026 | News: 224
Last document published on: 20.01.2026 | Documents: 40
Highlight
The Portuguese fiscalization system is the part of the systems which can be classified as software-based fiscalization with no specific hardware or fiscal device requirements. The country was one of the first countries to adopt the euro (€) on 1 January 1999.
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 programme, such as security mechanisms, inalterability standards for the created fiscal data, and so on. Before its usage, the POS SW must pass through the compulsory certification procedure
Type of fiscalization: Software
Latest news for Portugal
See moreFrom UPOS to AI: How Retail Technology Standards Are Evolving
Retail standards are entering a new phase as cloud, mobile technologies and AI reshape how systems communicate. Fiscal Solutions’ webinar explored the evolution from UPOS and POSLog to digital receipt standards, retail ontology and AI-ready models designed to support the next generation of global retail. Retail technology has changed dramatically over the past three decades, yet many standar... Read more
Retail standards are entering a new phase as cloud, mobile technologies and AI reshape how systems communicate. Fiscal Solutions’ webinar explored the evolution from UPOS and POSLog to digital receipt standards, retail ontology and AI-ready models designed to support the next generation of global retail.
New webinar was uploaded: Recorded webinar: From OPOS to the Future of AI-Driven Retai
Retail technology doesn’t work without standards. Behind POS systems, eReceipts, and the technologies connecting the retail ecosystem are standards that have evolved for decades—from OPOS and ARTS to today’s landscape. What’s next? In this webinar, Roland Zališevskij, Co-Founder of Fiscal Solutions, explores the evolution of retail standards.
Read moreSubscribe to get access to the latest news, documents, webinars and educations.
Already subscriber? LoginRetail technology doesn’t work without standards. Behind POS systems, eReceipts, and the technologies connecting the retail ecosystem are standards that have evolved for decades—from OPOS and ARTS to today’s landscape. What’s next? In this webinar, Roland Zališevskij, Co-Founder of Fiscal Solutions, explores the evolution of retail standards.
Save the Date - Community Day 2026
The 3rd Annual Community Day on October 15, 2026, at Mona Plaza Belgrade focuses on fiscalization. No sales pitches or commercial agendas allowed. We are pleased to announce Community Day 2026! This is the 3rd annual edition of our community event. 📅 October 15, 2026📍 Mona Plaza Belgrade A unique gathering for the fiscalization and retail technology community. Focused on knowledge sharing, i... Read more
Why Fiscal Transaction Counters Become So Complicated at the Point of Sale
A fiscal transaction counter sounds simple—until it meets the reality of modern retail. POS systems often count much more than sales, creating gaps that can become a serious problem for tax authorities. Add cloud POS, e-commerce, offline operation, retries and multiple checkout channels, and a simple sequence of numbers quickly becomes a complex compliance architecture challenge. A simple se... Read more
A fiscal transaction counter sounds simple—until it meets the reality of modern retail. POS systems often count much more than sales, creating gaps that can become a serious problem for tax authorities. Add cloud POS, e-commerce, offline operation, retries and multiple checkout channels, and a simple sequence of numbers quickly becomes a complex compliance architecture challenge.
Update of invoice correction and VAT regularization rules in Portugal-summary of the changes
Portugal
Author: Nikolina Basić
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Portugal
|
12.08.2026.
15:17H
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Author: Nikolina Basić
New webinar was uploaded: Recorded webinar: Evolution of Fiscalization:From fiscal printers to real-time data platforms
Fiscalization has transformed from a compliance tool reliant on hardware to dynamic, software-driven platforms linking businesses and tax authorities. The webinar was presented by Dušan Bučevac, Sales Manager at Fiscal Solutions, who covered crucial fiscalization milestones and explained how real-time data has reshaped compliance, transparency, and business decision-making. Read more
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Already subscriber? LoginMost important documents for Portugal
See moreChecklist 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
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Portugal
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06.11.2025.
13:26H
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Author: Istvan Bozoki
Ordinance No. 195/2020, of August 13th
Portugal
Author: Kristina Dosen
This Ordinance regulates the requirements for the creation of the QR code and the document unique code (ATCUD) which have been introduced before through Decree-Law No. 28/2019. Read more
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Portugal
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25.05.2023.
09:56H
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Author: Kristina Dosen
S4F Service country interface PT
Portugal
Author: Stevan Car
This document represents a technical specification of the S4F Service architecture and interfaces for Portugal. It describes the constraints of S4F service architecture and interface, together with a brief overview of fiscal requirements in general from the technical point of view. Read more
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Portugal
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11.02.2026.
11:55H
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Author: Stevan Car
Technical country overview - Portugal
Portugal
Author: Stevan Car
This document addresses all the technical details regarding the fiscalizaton process in Portugal. In this presentation, we deal with the topics such as - Technical overview (technical requirements) - Fiscalization process (preparing transactions on POS, Request ATCUD code, Sign transaction, Create QR code, Issue fiscal receipts, Reporting to Tax Authority) - Examples of architecture on an existing fiscal solution, service functionality POS … Read more
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Portugal
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13.07.2026.
12:53H
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Author: Stevan Car
Certification process in Portugal
Portugal
Author: Ištvan Božoki
This document describes the steps the client must take in Portugal to certify the POS software for invoicing. Our fiscal experts did research this specific field and they unveil to us information regarding fiscal law in Portugal as well as the procedure of starting the certification process in Portugal.
Read moreSubscribe to get access to the latest news, documents, webinars and educations.
Already subscriber? LoginThis document describes the steps the client must take in Portugal to certify the POS software for invoicing. Our fiscal experts did research this specific field and they unveil to us information regarding fiscal law in Portugal as well as the procedure of starting the certification process in Portugal.
Portugal
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06.08.2026.
11:55H
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Author: Ištvan Božoki
Country overview - Portugal
Portugal
Author: Nikolina Basic
We prepared you this valuable overview of the fiscalization requirements in Portugal with precise and concise information about topics of high interest for the retailers and POS business, such as general information, infrastructure, communication with the authorities, POS application requirements, and certification procedure.
Read moreSubscribe to get access to the latest news, documents, webinars and educations.
Already subscriber? LoginWe prepared you this valuable overview of the fiscalization requirements in Portugal with precise and concise information about topics of high interest for the retailers and POS business, such as general information, infrastructure, communication with the authorities, POS application requirements, and certification procedure.
Portugal
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06.08.2026.
15:04H
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Author: Nikolina Basic