Taking into account the principle of minimization, it cannot be considered that article 15.1.e) of the LTC is a sufficient enabling rule for the City Council to disseminate in the examined case the identity of the monitors and the amount received by them, as individualized, in compliance with the obligation of active advertising. This is without prejudice to the fact that the City Council must access the identity of the monitors hired by the AMPA and the remuneration received for the control of the subsidy.