CONVENTION ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - RECOGNITION AND ENFORCEMENT OF JUDGMENTS - GROUNDS FOR REFUSAL - THE DOCUMENT WHICH INSTITUTED THE PROCEEDINGS NOT SERVED IN SUFFICIENT TIME ON A DEFENDANT IN DEFAULT OF APPEARANCE - SERVICE IN SUFFICIENT TIME - REVIEW BY THE COURT IN WHICH ENFORCEMENT IS SOUGHT - SCOPE - EXCEPTIONAL CIRCUMSTANCES - TAKEN INTO ACCOUNT - CONDITIONS ( CONVENTION OF 27 SEPTEMBER 1968 , ART . 27 ( 2 ))