2  BIS central bankers’ speeches  It is also crucial for the central bank to maintain stability and improve the efficiency of the payment and settlement systems, including those provided by the private sector.
It isn’t a question of whether but of how to regulate. And it is this matter of how to regulate that I would like to discuss now – not by focusing on specific legal provisions, but by outlining certain principles which I consider particularly important. 2. Regulating banks  What is the job of regulators?