1 . MEASURES ADOPTED BY THE INSTITUTIONS - STATEMENT OF REASONS - OBLIGATIONS - SCOPE AND LIMITS - COMMISSION DECISION REFUSING IMPORTATION FREE OF CUSTOMS DUTIES OF SCIENTIFIC APPARATUS ( EEC TREATY , ART . 190 ) 2 . COMMON CUSTOMS TARIFF - IMPORTATION FREE OF CUSTOMS DUTIES - SCIENTIFIC INSTRUMENTS AND APPARATUS - ASSESSMENT OF SCIENTIFIC NATURE - PROCEDURE - RIGHT OF THE PERSON APPLYING FOR DUTY-FREE IMPORTATION TO BE HEARD - NONE ( COUNCIL REGULATION NO 1798/75 ; COMMISSION REGULATION NO 2784/79 , ART . 7 ( 2 ))