UN General Assembly
1965

105. Another basic element in the question of Cyprus is respect for contractual obligations; these can be changed by negotiation and only with the agreement of all the parties concerned. This principle lies at the very root of international relations and is mentioned in the preamble of the Charter of the United Nations. It is also included, I may recall, among the ten Bandung principles. As a Member of the United Nations having assumed all the obligations of the Charter, and also pursuant to the rules of international law, it is clear that Cyprus must scrupulously respect its commitments. Turkey has said nothing to suggest that treaties may not be modified. But it is obvious that treaties must be respected until such time as they are modified by an agreement among all the contracting parties.