Fiscal subject related
Of course, there are a large number of legal and technical regulations for this topic, but we can summarize the main fiscal requirements as follows:
- Prepare certified sales software
- Communication with the Tax Authority in Portugal: sending transactions in three defined ways
- Include special codes on receipts and invoices, such as QR codes and ATCUD codes.
- Respect other rules in terms of electronic signatures and special VAT codes, and properly handle all business processes in the POS environment.
Other news from Portugal
Portugal postpones mandatory Qualified Electronic Signatures for PDF Invoices to 2027

Portugal has postponed the mandatory use of Qualified Electronic Signatures (QES) for PDF invoices by one year, moving the enforcement date from January 1, 2026 to January 1, 2027, as outlined in the proposed 2026 State Budget. Businesses can continue issuing valid PDF invoices without QES until the end of 2026, and the government has also deferred the 2026 SAF-T Accounting submission to 2027 to a... 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. 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? LoginAre tips subject to invoice and fiscalization requirements in Portugal?

In Portugal, tips (gratuities) are considered personal gestures to employees and are not subject to VAT, nor do they need to be included on invoices. Let's delve deeper into this topic! Read more
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Already subscriber? LoginNew 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. 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? LoginPortugal strengthens Finance portal security with Two-factor authentication.

Portugal’s Tax Authority has introduced Two-Factor Authentication (2FA) on the Finance Portal, starting with individual taxpayers, to enhance account security and prevent unauthorized access. Users will log in using their NIF, password, and a unique SMS code, provided they have a registered phone number with the authority. The Portuguese Tax Authority (AT) has introduced Two-Factor Authentication... Read more
New rules for invoices issued on the Finance Portal of the Tax administration in Portugal

Starting July 1, 2025, Portugal’s Tax Portal no longer allows businesses to issue unfilled or blank invoices and invoice-receipts, requiring all documents to be completed digitally at the time of issuance. Invoices not collected by July 14, 2025, or used beyond the transitional period, will be canceled, and any unused forms must be destroyed to comply with the new rules. As of 1 July 2025, the Por... Read more
New webinar was uploaded: Recorded webinar: EV Chargin in Europe - Green Growth Meets Fiscal Reality
On June 19th, 2025, Fiscal Solutions organized a free webinar on the topic of "EV Charging in Europe—Green Growth Meets Fiscal Reality." The webinar was held by Fiscal Solutions Sales Manager Gordana Lakić. Let’s find out more on this! Read more