25B [Definition of fundamental breach];

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

35A [Conformity of goods: quality, quantity and description required by contract];

39A11 ; 39A2 [Requirement to notify seller of lack of conformity: buyer must notify seller in reasonable time; Degree of specificity required];

49A ; 49B [Buyer's right to avoid contract; Buyer's loss of right to declare avoidance after delivery: failure to avoid within period specified in art. 49(1)(a) and (b)];

50A [Buyer's right to reduce price for non-conforming goods];

78A [Interest on delay in receiving price or any other sum in arrears]