2025-08-06 00:00:00 Designed to make your day to day easier, Sinfrerj has just launched an application for cell phones that simplifies access to various services and information of interest to Tax Auditors. In the palm of their hand, the union member finds several tools that facilitate the consultation of information and also enable greater participation of tax auditors in union debates and decisions. The technology was created to optimize your time. A space for interaction and connections. An intuitive and extremely simple application.