(10)To ensure overall coherence of these ethics frameworks, the main concepts concerning conflicts of interest, acceptance of gifts and hospitality and the prohibition on misuse of non-public information as set out in Guidelines (EU) 2015/855 (ECB/2015/11) and (EU) 2015/856 (ECB/2015/12) should be further developed and aligned with the Single Code. In particular, pre-employment vetting and post-employment restrictions should be extended beyond SSM senior members of staff who report directly to the executive level in order to effectively address concerns regarding ‘revolving doors’ between the banking supervisors and the private sector, in particular financial market participants.