(5)To further safeguard the trust of supervised entities and Union citizens that members of staff of the ECB and the NCAs, as well as members of their bodies, serve with complete professional impartiality, perceptions of conflicts of interests should be avoided. To this end, those members of staff and members of bodies who have access to market sensitive information should be required to comply with specific rules and standards when conducting private financial transactions, in particular where those transactions involve regulated entities.