The Bulgarian National Revenue Agency has updated its Q&A guidance to help businesses and software developers comply with new SAF-T digital reporting requirements introduced under the Code of Civil Procedure and the 2025 State Budget. The update provides clearer submission instructions and addresses new technical questions raised by stakeholders. The Bulgarian National Revenue Agency has released... 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

Bulgaria joined the Eurozone on 1 January 2026 and has launched strict price-monitoring and dual-pricing rules to prevent hidden price increases, with the tax authority cross-checking retail prices against VAT data and inspecting key consumer sectors. The lev remains usable only until 31 January 2026, after which the euro becomes the sole legal tender, while mandatory dual price display in lev and... Read more

Bulgaria will adopt the euro on 1 January 2026, with a one-month dual-circulation period and automatic conversion of all prices, accounts, assets, and liabilities at the fixed rate of €1 = 1.95583 BGN. To protect consumers, dual price display will remain mandatory until 8 August 2026, cash levs can be exchanged free of charge through banks, post offices, or permanently at the Bulgarian National Ba... Read more

Bulgaria’s move to the euro on January 1, 2026 will introduce Eurozone-style exchange boards and a short, early-morning ATM and card-payment pause during the currency switchover. From January onwards, ATMs will dispense euros, businesses will still accept leva for a month, and all bank accounts and cash will convert automatically at the fixed rate. As Bulgaria prepares to officially adopt the euro... 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

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