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

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 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

Austrian authorities state foreign companies may send e-invoices through Peppol, but only if they have a business presence in Austria. The Austrian authorities have clarified whether foreign companies are required to submit electronic invoices (e-invoices) when dealing with Austrian federal agencies. The guidance confirms that cross-border suppliers can send e-invoices, primarily via the Peppol ne... 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. 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

Austria’s Business Service Portal (USP) is the federal government’s central digital platform for businesses, providing access to administrative and e-government services. It enables companies to manage tax filings, submit e-invoices to public authorities, and replace paper-based procedures with secure online workflows. Read more

Starting October 1, 2025, two-factor authentication (2FA) will become mandatory for all FinanzOnline users in Austria, with ID Austria users unaffected. Others must set up an authenticator app or desktop solution in advance to ensure continued access, improving security and aligning the portal with global standards. Read more