CONVENTION ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - PROTOCOL ON THE INTERPRETATION BY THE COURT OF JUSTICE OF THE CONVENTION - NATIONAL COURTS ENTITLED TO REQUEST THE COURT OF JUSTICE TO GIVE PRELIMINARY RULINGS - COURT TO WHICH APPLICATION HAS BEEN MADE FOR ENFORCEMENT - NOT ENTITLED ( CONVENTION OF 27 SEPTEMBER 1968 , ART . 32 ; PROTOCOL OF 3 JUNE 1971 , ART . 2 ; RULES OF PROCEDURE , ARTS 92 ( 1 ) AND 103 ( 2 ))