++++ 1 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK - IMPORTS SUBJECT TO THE PRODUCTION OF A LICENCE - IMPORTATION IMPOSSIBLE DURING THE TERM OF VALIDITY OF SUCH LICENCE - CASE OF FORCE MAJEURE - ' ENGINE FAILURE ' WITHIN THE MEANING OF ARTICLE 6(3 ) OF REGULATION NO 136/64/EEC OF THE COMMISSION - CONCEPT 2 . FORCE MAJEURE - CONCEPT 3 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK - IMPORTATION SUBJECT TO THE PRODUCTION OF A LICENCE - IMPORTATION IMPOSSIBLE DURING THE TERM OF VALIDITY OF SUCH LICENCE - CASE OF FORCE MAJEURE RELIED ON BY THE IMPORTER - EVIDENCE TO BE ADDUCED ( REGULATION NO 136/64/EEC, ARTICLE 6(2 )) 4 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK - IMPORTATION SUBJECT TO THE PRODUCTION OF A LICENCE - IMPORTATION IMPOSSIBLE DURING THE TERM OF VALIDITY OF SUCH LICENCE - CASE OF FORCE MAJEURE - NATIONAL COURTS - JURISDICTION IN CASES NOT REFERRED TO IN ARTICLE 6(3 ) OR NOT RECOGNIZED BY THE NATIONAL AUTHORITIES IN ACCORDANCE WITH ARTICLE 6(4 ) OF REGULATION NO 136/64/EEC