1C2 [Applicability of Convention: irrelevance of nationality of parties];

6B [Implied agreement to apply Convention: absence of exclusion];

7B1 [Materials for interpretation of Convention: international case law and scholarly studies];

9B ; 9D [Implied agreement on international usages: observance by parties of the same type (widely known and regularly observed in trade; Impact of usages and practices on provisions of Convention];

27A [Dispatch of communication by appropriate means: oral notice of lack of conformity sufficient provided it is properly transmitted and understandable to the other party];

38A [Buyer's obligation to examine goods];

39A ; 39A11 ; 39B [Requirement to notify seller of lack of conformity: buyer must notify seller within reasonable time; Degree of specificity required ; Cut-off period of two years];

44A [Excuse for failure to notify pursuant to art. 39(1)]