1. This Guideline shall take effect on the twentieth day following that of its publication in the Official Journal of the European Union.
2. The NCAs and the ECB shall ensure that the provisions of this Guideline also apply to members of their decision making bodies.
3. The ECB and the NCAs shall aim, to the extent legally feasible, to extend the obligations defined in implementation of the provisions of this Guideline to persons involved in the performance of supervisory tasks who are not staff members.