(50)Where Member States require issuers of electronic money and payment service providers which are established in their territory in forms other than a branch and the head office of which is situated in another Member State, to appoint a central contact point in their territory, they should be able to require that such a central contact point, acting on behalf of the appointing institution, ensure the establishments' compliance with AML/CFT rules. They should also ensure that that requirement is proportionate and does not go beyond what is necessary to achieve the aim of compliance with AML/CFT rules, including by facilitating the respective supervision.