1 . QUESTIONS REFERRED TO THE COURT FOR A PRELIMINARY RULING - JURISDICTION OF THE COURT - LIMITS ( EEC TREATY , ARTICLE 177 ) 2 . SOCIAL SECURITY FOR MIGRANT WORKERS - DEATH OF A WORKER - ACCIDENT AT WORK - PENSION - FAMILY ALLOWANCES - LEGISLATION APPLICABLE - RIGHT NOT LINKED TO AN ORPHAN ' S PENSION ( REGULATION NO 3 OF THE COUNCIL , ARTICLE 42 ( 5 )) 3 . SOCIAL SECURITY FOR MIGRANT WORKERS - RIGHTS ACQUIRED BY AN INSURED PERSON BEFORE THE ENTRY INTO FORCE OF REGULATION NO 1408/71 - REVIEW - COMPETENT INSTITUTION OF A MEMBER STATE - SUBSTITUTION FOR THE PERSON ENTITLED - PROHIBITION ( REGULATION NO 1408/71 OF THE COUNCIL , ARTICLE 94 ( 5 ))