10A1 [Which of multiple places of business is relevant: closest relationship to contract and performance];

25B [Definition of fundamental breach: substantial deprivation of expectation, etc.];

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

30A [Seller's obligation to deliver the goods and hand over documents relating to them];

34A1 [Seller's obligation to hand over documents: obligation based on contract];

49A1 [Buyer's right to avoid contract (grounds for avoidance): fundamental breach of contract];

79B [Impediments excusing party from damages];

81C [Effect of avoidance on obligations: restitution of benefits received]