paragraph 203 in volume 2, chapter 12, The Compulsory Jurisdiction (Optional Clause)
A notable feature of declarations made under Article 36, paragraph 2, of the Statute is the presence in them of different forms of temporal limitations on the scope of the jurisdiction accepted by the declarant State. As explained earlier (chapter 9, § II.156), time is always an element in the jurisdiction. However, the effect of time on jurisdiction ratione personae is not the same as its effect on jurisdiction ratione materiae. The law has been developed with some degree of…