The Helsinki Declaration is attached to the present Constitution and forms an integral part of it. The Global Cities Dialogue is open to membership for all cities throughout the world complying with applicable UN regulations.
Membership is subject to signature of the Declaration of Helsinki.
Relevant organisations and institutions may participate as observers. Admission would also be possible on written request by Mayors of cities wishing to join the Dialogue and sign the Declaration. All member cities have the right to participate in the various activities, events and actions of the GCD and have access to all information, data and documentation that the GCD Secretariat can provide. Member cities have the obligation to support and promulgate the principles and the commitments of the Helsinki Declaration and shall liaise with other cities and relevant city networks and organisations in order to promote the GCD world-wide. Member cities can dedicate resources to develop specific initiatives and to support the activities of the Secretariat or of other member cities.