1 . COMMUNITY LAW - PRINCIPLES - PROPORTIONALITY - PRINCIPAL OBLIGATION AND SECONDARY OBLIGATION - SAME PENALTY - NOT PERMISSIBLE 2 . AGRICULTURE - COMMON AGRICULTURAL POLICY - FOOD AID - IMPLEMENTATION - CONTRACT TERMS - CONDITIONS FOR CARRIAGE BY SEA - OBLIGATIONS OF SUCCESSFUL TENDERER REGARDING SHIPMENT PERIOD AND CHOICE OF VESSEL - SCOPE - CONDITIONS REGARDING SECURITY - USE OF A VESSEL NOT CONFORMING EXACTLY TO THE PRESCRIBED CONDITIONS - TOTAL FORFEITURE - PRINCIPLE OF PROPORTIONALITY - BREACH ( COMMISSION REGULATIONS NOS 1974/80 , ARTS 4 ( 4 ) ( D ), 5 ( 1 ) AND 20 ( 1 ), AND 588/81 , ANNEX A , POINT 16 )