1 . CONVENTION ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - AMBIT - CIVIL AND COMMERCIAL MATTERS - CONCEPT - INDEPENDENT INTERPRETATION - CRITERIA ( CONVENTION OF 27 SEPTEMBER 1968 , ART . 1 ) 2 . CONVENTION ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - AMBIT - DETERMINATION - FACTORS TO BE TAKEN INTO CONSIDERATION ( CONVENTION OF 27 SEPTEMBER 1968 , ART . 1 ) 3 . CONVENTION ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - AMBIT - CIVIL AND COMMERCIAL MATTERS - ACTIONS BROUGHT BY A PUBLIC AUTHORITY AGAINST A PRIVATE PERSON ON THE BASIS OF ITS PUBLIC AUTHORITY POWERS - RECOVERY OF THE COSTS OF REMOVING A WRECK - EXCLUSION - CLAIM FOR REDRESS BEFORE CIVIL COURTS - NOT AVAILABLE ( CONVENTION OF 27 SEPTEMBER 1968 , ART . 1 )