COMMON CUSTOMS TARIFF - COMMUNITY TARIFF QUOTAS - FROZEN BEEF AND VEAL - POWER OF MANAGEMENT OF MEMBER STATES - APPOINTMENT OF NATIONAL SHARES - PERSONS CONCERNED - CONCEPT - UNDERTAKINGS BENEFITING FROM THE SPECIAL SYSTEM FOR IMPORTATION OF FROZEN BEEF AND VEAL INTENDED FOR PROCESSING - INCLUSION ( COUNCIL REGULATION NO 3063/78 , ART . 3 ( 1 ))