7A3 [Observance of good faith];

25A [Effect of a fundamental breach: avoidance of contract];

35B3 [Conformity of goods to contract: quality of goods held out as sample or model];

39A ; 39A1 [Requirement to notify seller of lack of conformity: buyer must notify seller within reasonable time; Degree of specificity required];

49B1 [Buyer's right to avoid contract: buyer's loss of right to declare avoidance after delivery (failure to avoid within periods specified in art. 49(2)(a) & (b)]