The Professor - National Tax Code is an application for mobile devices that aims to provide Law No. 5,172, of October 25, 1966, updated to all interested parties who intend to hold public or private tenders.

In a practical and objective way, the application was developed so that interested parties can organize their studies and consequently have a better performance in the competitions held.

The Issues made available are reviewed in accordance with the latest update of the National Tax Code.