Vienna Convention on the Law of Treaties. Various Authors

Article 37—Revocation or modification of obligations or rights of third States

       Article 38—Rules in a treaty becoming binding on third States through international custom

       PART IV—AMENDMENT AND MODIFICATION OF TREATIES

       Article 39—General rule regarding the amendment of treaties

       Article 40—Amendment of multilateral treaties

       Article 41—Agreements to modify multilateral treaties between certain of the parties only

       PART V—INVALIDITY, TERMINATION AND SUSPENSION OF THE OPERATION OF TREATIES

       SECTION 1. GENERAL PROVISIONS

       Article 42—Validity and continuance in force of treaties

       Article 43—Obligations imposed by international law independently of a treaty

       Article 44—Separability of treaty provisions

       Article 45—Loss of a right to invoke a ground for invalidating, terminating, withdrawing from or suspending the operation of a treaty

       SECTION 2. INVALIDITY OF TREATIES

       Article 46—Provisions of internal law regarding competence to conclude treaties

       Article 47—Specific restrictions on authority to express the consent of a State

       Article 48—Error

       Article 49—Fraud

       Article 50—Corruption of a representative of a State

       Article 51—Coercion of a representative of a State

       Article 52—Coercion of a State by the threat or use of force

       Article 53—Treaties conflicting with a peremptory norm of general international law (jus cogens)

       SECTION 3. TERMINATION AND SUSPENSION OF THE OPERATION OF TREATIES

       Article 54—Termination of or withdrawal from a treaty under its provisions or by consent of the parties

       Article 55—Reduction of the parties to a multilateral treaty below the number necessary for its entry into force

       Article 56—Denunciation of or withdrawal from a treaty containing no provision regarding termination, denunciation or withdrawal

       Article 57—Suspension of the operation of a treaty under its provisions or by consent of the parties

       Article 58—Suspension of the operation of a multilateral treaty by agreement between certain of the parties only

       Article 59—Termination or suspension of the operation of a treaty implied by conclusion of a later treaty

       Article 60—Termination or suspension of the operation of a treaty as a consequence of its breach

       Article 61—Supervening impossibility of performance

       Article 62—Fundamental change of circumstances

       Article 63—Severance of diplomatic or consular relations

       Article 64—Emergence of a new peremptory norm of general international law (jus cogens)

       SECTION 4. PROCEDURE

       Article 65—Procedure to be followed with respect to invalidity, termination, withdrawal from or suspension of the operation of a treaty

       Article 66—Procedures for judicial settlement, arbitration and conciliation

       Article 67—Instruments for declaring invalid, terminating, withdrawing from or suspending the operation of a treaty

       Article 68—Revocation of notifications and instruments provided for in articles 65 and 67

       SECTION 5. CONSEQUENCES OF THE INVALIDITY, TERMINATION OR SUSPENSION OF THE OPERATION OF A TREATY

       Article 69—Consequences of the invalidity of a treaty

       Article 70—Consequences of the termination of a treaty

       Article 71—Consequences of the invalidity of a treaty which conflicts with a peremptory norm of general international law

       Article 72—Consequences of the suspension of the operation of a treaty

       PART VI—MISCELLANEOUS PROVISIONS

       Article 73—Cases of State succession, State responsibility