As part of the verification actions carried out by the Institute to monitor the adequate use of the radio spectrum, this regulatory body made the corresponding preventive insurance visits in the homes where the stations operated, in order to prevent them from continuing to transmit. As a result of these diligences and the due administrative procedure followed, the absence of the concession or permit certificates proving the legal operation of the stations was conclusively proven. Faced with this, the Plenum of the IFT determined, in terms of articles 101, section XXIII, 103, 104 bis and 106 of the Federal Law of Radio and Television