1 . PRELIMINARY QUESTIONS - REFERENCE TO THE COURT - DECISION MAKING THE REFERENCE TAKEN BY A COURT NOT PROPERLY CONSTITUTED - ABSENCE OF ANY EFFECT ON THE COURT ' S JURISDICTION ( EEC TREATY , ART . 177 ) 2 . FREE MOVEMENT OF PERSONS - WORKERS - EQUALITY OF TREATMENT - SOCIAL AND TAX ADVANTAGES - CONCEPT ( REGULATION NO 1612/68 OF THE COUNCIL , ART . 7 ( 2 )) 3 . FREE MOVEMENT OF PERSONS - WORKERS - EQUALITY OF TREATMENT - SOCIAL ADVANTAGES - CONCEPT - BENEFITS GRANTED ON A DISCRETIONARY BASIS ( REGULATION NO 1612/68 OF THE COUNCIL , ART . 7 ( 2 )) 4 . FREE MOVEMENT OF PERSONS - WORKERS - EQUALITY OF TREATMENT - SOCIAL ADVANTAGES - CONCEPT - INTEREST-FREE LOANS ON CHILDBIRTH ( REGULATION NO 1612/68 OF THE COUNCIL , ART . 7 ( 2 ))