1 . PRELIMINARY RULINGS - SUBMISSION OF QUESTIONS TO THE COURT - RELEVANCE OF QUESTIONS RAISED - NEED FOR A PRELIMINARY RULING - APPRAISAL BY THE NATIONAL COURT ( EEC TREATY , ART . 177 ) 2 . FREE MOVEMENT OF PERSONS - WORKERS - PROVISIONS OF THE TREATY - SITUATIONS INTERNAL TO A MEMBER STATE - NOT COVERED ( EEC TREATY , ART . 48 )