Following the audit carried out in October tariffs with regard to IWS operators, that is, area government bodies and other competent parties (resolution 170/2018/E/IDR), by way of decision DSAI/41/2019/IDR Arera started a sanctioning procedure, establishing a pecuniary administrative sanction of Euro 378,000.00 and granting the right to waive the further formalities of the procedure by paying the administrative sanction reduced to one third.