1 . CONVENTION OF 27 SEPTEMBER 1968 ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - FIELD OF APPLICATION - EMPLOYMENT LAW - INCLUSION ( CONVENTION OF 27 SEPTEMBER 1968 , ART.1 ) 2 . CONVENTION OF 27 SEPTEMBER 1968 ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - OBJECT - PRECEDENCE OVER NATIONAL LAWS 3 . CONVENTION OF 27 SEPTEMBER 1968 ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - TRANSITIONAL PROVISIONS - JUDICIAL PROCEEDINGS INSTITUTED AFTER THE COMING INTO FORCE OF THE CONVENTION - PRIOR CLAUSES CONFERRING JURISDICTION WHICH ACCORDING TO NATIONAL RULES IN FORCE AT THE TIME OF AGREEMENT WERE VOID - VALIDITY ( CONVENTION OF 27 SEPTEMBER 1968 , ARTS . 17 AND 54 )