Argentine President Mauricio Macri, drives the implementation of the Single E-BallotSystem (Boleta Única Electrónica, BUE) throughout the country. But one sector of the opposition conditions its support thereto only if it is applied gradually in no more than eight electoral districts during a first stage. Among other arguments, they say that it is not possible to audit in all its stages, a chain of elements where each link introduces points of failure, capable of massive fraud and various sabotage acts.