(76)The use of cooling-off periods in supervisory authorities forms an important part of ensuring the effectiveness and independence of the supervision conducted by those authorities. To this end, and without prejudice to the application of stricter national rules, the ECB should establish and maintain comprehensive and formal procedures, including proportionate review periods, to assess in advance and prevent possible conflicts with the legitimate interest of the SSM/ECB where a former member of the Supervisory Board begins work within the banking industry he or she once supervised.