Article 4

Each Member State shall take the measures necessary to ensure effective compliance with this Decision. To that end, it shall ensure that the ECB is consulted at an appropriate stage enabling the authority initiating the draft legislative provision to take into consideration the ECB's opinion before taking its decision on the substance and that the opinion received from the ECB is brought to the knowledge of the adopting authority if the latter is an authority other than that which has prepared the legislative provisions concerned.