This Directive lays down rules concerning:

1. (a)

   access to the activity of credit institutions and investment firms (collectively referred to as "institutions");

2. (b)

   supervisory powers and tools for the prudential supervision of institutions by competent authorities;

3. (c)

   the prudential supervision of institutions by competent authorities in a manner that is consistent with the rules set out in Regulation (EU) No 575/2013;

4. (d)

   publication requirements for competent authorities in the field of prudential regulation and supervision of institutions.