7C23 [Problems governed by Convention but not expressly settled: gap-filling by domestic law];

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

51B [Delivery or conformity of only part of goods: avoidance as to entire contract];

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

84A [Seller bound to refund price must pay interest]