(3)Where appropriate and without prejudice to the responsibility and accountability of the ECB for the tasks conferred on it by the SSM Regulation, NCAs are responsible for assisting the ECB, under the conditions laid down in the SSM Regulation and in this Regulation, with the preparation and implementation of any acts concerning the tasks referred to in Article 4 of the SSM Regulation relating to all credit institutions, including assistance in verification activities. For this purpose, the NCAs should follow the instructions given by the ECB when performing the tasks mentioned in Article 4 of the SSM Regulation.