7C23 [Gap-filling by domestic law: tribunal looked to domestic law for application of Art. 25 definition of fundamental breach];

25B [Definition of fundamental breach];

26A [Notification of avoidance: effective declaration required];

35A [Conformity of goods to contract: quality required by contract];

48A [Cure by seller after date for delivery: seller's right to remedy any failure to perform];

49A ; 49B [Buyer's right to avoid contract (ground for avoidance): fundamental breach; Buyer's loss of right to declare avoidance after delivery: timeliness of notice];

81C [Effect of avoidance on obligations: restitution by each party of benefits received];

82B [Buyer's inability to return goods in same condition: loses right to avoid unless ...]