1. Where an application for admission to official listing concerning securities giving a right to participate in company capital, either immediately or at the end of the maturity period, is made in one or more Member States other than that in which the registered office of the issuer of the shares to which those securities give entitlement is situated, while that issuer's shares have already been admitted to official listing in that Member State, the competent authorities of the Member State of admission may act only after having consulted the competent authorities of the Member State in which the registered office of the issuer of the shares in question is situated.
2. Where an application for admission to official listing is made for securities which have been listed in another Member State less than six months previously, the competent authorities to whom application is made shall contact the competent authorities which have already admitted the securities to official listing a