1 . CONVENTION OF 27 SEPTEMBER 1968 ON JURISDICTION AND THE ENFORCEMENT OF JUDGMENTS - CONFERMENT OF JURISDICTION BY CONSENT - EFFECT - VALIDITY - REQUIREMENTS - STRICT CONSTRUCTION - CONSENSUS BETWEEN PARTIES ( CONVENTION OF 27 SEPTEMBER 1968 , ARTICLE 17 ) 2 . CONVENTION OF 27 SEPTEMBER 1968 - JURISDICTION - CONFERMENT OF JURISDICTION BY CONSENT - FORM - ORALLY CONCLUDED CONTRACT - VENDOR ' S CONFIRMATION IN WRITING - NOTIFICATION OF GENERAL CONDITIONS OF SALE - CLAUSE CONFERRING JURISDICTION - NEED FOR ACCEPTANCE IN WRITING BY THE PURCHASER - ORAL AGREEMENT WITHIN THE FRAMEWORK OF A CONTINUING TRADING RELATIONSHIP - IMPLIED ACCEPTANCE OF THE CLAUSE CONFERRING JURISDICTION ( CONVENTION OF 27 SEPTEMBER 1968 , ARTICLE 17 )