·  The institutions in charge must have expert knowledge and experience in their special field, they need an appropriate number and quality of staff as well as an efficient internal organisational structure in order to make possible efficient and cost-effective supervision.
·  Supervisors should be in close proximity to those who are to be supervised, and at the same time not under too much political influence. ·  If regulatory powers are shared among several institutions, there has to be a clear definition of powers and responsibilities.