s 4 Meaning of “international case”
4.—(1) For the purposes of Part 2, a case is an international case unless —(a) the parties to the case reside in the same Contracting State; and (b) the relationship of the parties and all other elements relevant to the dispute (other than the location of the chosen court) are connected only with that Contracting State. (2) For the purposes of Part 3, a case is an international case if the claim is for —(a) the recognition, or recognition and enforcement, of a foreign judgment; or (b) the enforcement of a judicial settlement recorded before a court of a Contracting State (other than Singapore).