Passenger transport operators, including airport and port operators, travel agencies and postal services shall draw the attention of their customers to the rules laid down in this Decision, in particular by providing information on the rules set out in Articles 2 and 15 to travellers moving from the territory of any of the Member States concerned and customers of postal services in an appropriate way.

1. Member States shall require that, when providing investment services or, where appropriate, ancillary services to clients, an investment firm act honestly, fairly and professionally in accordance with the best interests of its clients and comply, in particular, with the principles set out in this Article and in Article 25.

Where Union providers of mobile telephony services find the benefits of interoperability and end-to-end connectivity for their customers jeopardised by the termination, or threat of termination, of their roaming arrangements with mobile network operators in other Member States, or are unable to provide their customers with service in another Member State as a result of a lack of agreement with at least one wholesale network provider, national regulatory authorities should make use, where necessary, of the powers under Article 5 of the Access Directive to ensure adequate access and interconnection in order to guarantee such end-to-end con ...[+++]nectivity and the interoperability of services, taking into account the objectives of Article 8 of the Framework Directive, in particular the creation of a fully functioning internal market for electronic communications services.

(66) Where Union providers of mobile telephony services find the benefits of interoperability and end-to-end connectivity for their customers jeopardised by the termination, or threat of termination, of their roaming arrangements with mobile network operators in other Member States, or are unable to provide their customers with service in another Member State as a result of a lack of agreement with at least one wholesale network provider, national regulatory authorities should make use, where necessary, of the powers under Article 5 of the Access Directive to ensure adequate access and interconnection in order to guarantee such end-to-en ...[+++]d connectivity and the interoperability of services, taking into account the objectives of Article 8 of the Framework Directive, in particular the creation of a fully functioning internal market for electronic communications services.

Where Community providers of mobile telephony services find the benefits of interoperability and end-to-end connectivity for their customers jeopardised by the termination, or threat of termination, of their roaming arrangements with mobile network operators in other Member States, or are unable to provide their customers with service in another Member State as a result of a lack of agreement with at least one wholesale network provider, national regulatory authorities should make use, where necessary, of the powers under Article 5 of the Access Directive to ensure adequate access and interconnection in order to guarantee such end-to-end ...[+++] connectivity and the interoperability of services, taking into account the objectives of Article 8 of the Framework Directive, in particular the creation of a fully functioning single market for electronic communications services.

1. Member States shall require that, when providing investment services and/or, where appropriate, ancillary services to clients, an investment firm act honestly, fairly and professionally in accordance with the best interests of its clients and comply, in particular, with the principles set out in paragraphs 2 to 8.