Nothing in articles 34 to 37 precludes a rule set forth in a treaty from becoming binding upon a third State as a customary rule of international law, recognized as such.
See also: Article 37 Vienna Convention on the Law of Treaties
United Nations Security Council Resolution 144 – Complaint by Cuba (July 1960) 144 (1960). Resolution of 19 July 1960 The Security Council, Having heard the statements made by the
United Nations Security Council Resolution 143 – The Congo Question 143 (1960). Resolution of 14 July 1960 The Security Council, Considering the report of the Secretary-General on a request
United Nations Security Council Resolution 142 – Admission of new Members to the UN: Republic of Congo 142 (1960). Resolution of 7 July 1960 The Security Council, Having examined
United Nations Security Council Resolution 141 – Admission of new Members to the UN: Republic of Somalia 141 (1960). Resolution of 5 July 1960. The Security Council, Having examined
