Contents: Table of Cases; Table of Abbreviations; Introduction. Part I – The Legal Concept of Countermeasures: Introduction; Peacetime Unilateral Remedies; Retorsion; Reciprocity; Suspension and Termination of a Treaty; Reprisals. The Specificity of Countermeasures Purposes of Peacetime Unilateral Remedies Countermeasures and Coercion. Part II – The Legal Framework of Countermeasures: Introduction; Substance of Countermeasures Target Rules; Target States; Conditions of Countermeasures; Legal Capacity; Procedural Questions; Substantive Condition; Conclusion; Appendix; Bibliography; Index.