Commentary on the 1969 Vienna Convention on the Law of Treaties / by Mark E. Villiger.

Preliminary Material / M.E. Villiger -- Issues Of Customary International Law / M.E. Villiger -- History Of The Convention / M.E. Villiger -- Preamble / M.E. Villiger -- Article 1: Scope Of The Present Convention / M.E. Villiger -- Article 2: Use Of Terms / M.E. Villiger -- Article 3: International Agreements Not Within The Scope Of The Present Convention / M.E. Villiger -- Article 4: Non-Retroactivity Of The Convention / M.E. Villiger -- Article 5: Treaties Constituting International Organisations And Treaties Adopted Within International Organisations / M.E. Villiger -- Article 6: Capacity Of States To Conclude Treaties / M.E. Villiger -- Article 7: Full Powers / M.E. Villiger -- Article 8: Subsequent Confirmation Of An Act Performed Without Authorisation / M.E. Villiger -- Article 9: Adoption Of The Text / M.E. Villiger -- Article 10: Authentication Of The Text / M.E. Villiger -- Article / M.E. Villiger -- Article 12: Consent To Be Bound - A Treaty Expressed Signature / M.E. Villiger -- Article 13: Consent To Be Bound By A Treaty Expressed By An Exchange Of Instruments Constituting A Treaty / M.E. Villiger -- Article 14: Consent To Be Bound By A Treaty Expressed By Ratification, Acceptance Or Approval / M.E. Villiger -- Article 15: Consent To Be Bound - A Treaty Expressed Accession / M.E. Villiger -- Article 15: Declaration On Universal Participation In The Vienna Convention On The Law Of Treaties / M.E. Villiger -- Article 16: Exchange Or Deposit Of Instruments Of Ratification, Acceptance, Approval Or Acceptanc / M.E. Villiger -- Article 17: Consent To Be Bound - Part Of A Treaty Choice Of Differing Provisions / M.E. Villiger -- Article 18: Obligation Not To Defeat The Object And Purpose Of A Treaty Prior To Its Entry Into Force / M.E. Villiger -- Article 19: Formulation Of Reservations / M.E. Villiger -- Article 20: Acceptance Of And Objections To Reservations / M.E. Villiger -- Article 21: Legal Effects Of Reservations And Of Objections To Reservations / M.E. Villiger -- Article 22: Withdrawal Of Reservations And Of Objections To Reservations / M.E. Villiger -- Article 23: Procedure Regarding Reservations / M.E. Villiger -- Article 19-23: Subsequent Developments / M.E. Villiger -- Article 24: Entry Into Force / M.E. Villiger -- Article 25: Provisional Application / M.E. Villiger -- Article 26: Pacta Sunt Servanda / M.E. Villiger -- Article 27: Internal Law And Observance Of Treaties / M.E. Villiger -- Article 28: Non-Retroactivity Of Treaties / M.E. Villiger -- Article 29: Territorial Scope Of Treaties / M.E. Villiger -- Article 30: Application Of Successive Treaties Relating To The Same Subject-Matter / M.E. Villiger -- Article 31: General Rule Of Interpretation / M.E. Villiger -- Article 32: Supplementary Means Of Interpretation / M.E. Villiger -- Article 33: Interpretation Of Treaties Authenticated In Two Or More Languages / M.E. Villiger -- Article 34: General Rule Regarding Third States / M.E. Villiger -- Article 35: Treaties Providing For Obligations For Third States / M.E. Villiger -- Article 36: Treaties Providing For Rights For Third States / M.E. Villiger.

The 1969 Vienna Convention on the Law of Treaties, regulating treaties between States, lies at the heart of international law. This commentary interprets the Convention’s 85 articles clearly and precisely. It covers such major topics as reservations to treaties, their interpretation and the grounds for terminating a treaty, for instance breach. Emphasis is placed on the practice of States and tribunals and on academic writings. It contains further sections on customary international law and the Convention’s history while providing up-to-date information on ratifications and reservations. This commentary is a must for practitioners and academics wishing to establish the meaning and scope of the provisions of the Vienna Convention on the Law of Treaties.