rome italian magistrates investigate whether treasury official sell confidential government information previous employers ernst young two judicial source involve case say wednesday magistrates suspect susanna masi pay 220,000 euros 195,290.33 2013-2015 return sensitive material include plan tax reform could give professional service firm unfair advantage rival source say masi lawyer giorgio perroni confirm client investigate deny do anything wrong neither ernst young italian office lawyers represent company respond request comment judicial source tell reuters magistrates email wiretap back case perroni say still wait see case file client would request meet investigators certain able demonstrate correct behaviour client total lack foundation accusations perroni tell reuters masi join treasury 2012 become tax adviser government 2013 2015 appoint board equitalia state-owned tax collection agency retain position within treasury lawyer say corriere della sera newspaper first report story wednesday say besides leak confidential information masi also suspect lobby behalf ernst young modifications tax code corriere say masi work ernst young join treasury perroni confirm use work company italy know exact date treasury decline comment case italian magistrates investigate whether ex-treasury official sell secrets