7A3 ; 7C223 [Observance of good faith; Recourse to general principles on which Convention is based: communication and cooperation];

8C [Interpretation of parties statements or other conduct: interpretation in light of surrounding circumstances[;

47A [Buyer's right to fix additional period for performance];

49A [Buyer's right to avoid contract: grounds for avoidance];

74A [General rules for measuring damages: loss suffered as consequence of breach];

75A2 [Damages established by substitute transaction after avoidance: repurchase by aggrieved buyer]