4B [Scope of Convention (issues excluded): statute of limitations];
25A [Effect of a fundamental breach: avoidance of contract; Definition of fundamental breach];
29A [Modification or termination of contract by agreement];
47A [Buyer's right to fix additional final period for performance]
49A [Buyer's right to avoid contract: grounds for avoidance];
51A [Delivery or non-conformity of only part of goods;
72A [Avoidance prior to date for performance: when clear that other party will commit fundamental breach];
81A [Effect of avoidance on obligations: obligations of both parties under Convention]