4B [Issues covered and excluded (issues excluded): set-off; limitation period (prescription)];
6B [Agreements to apply Convention: choice of law];
7C23 [Gap-filling by domestic law: set-off];
46B ; 46C [Buyer's right to compel performance: requiring delivery of substitute goods; Right to require repair];
74A [Damages (loss suffered as a consequence of breach): cost of rectifying lack of conformity of the goods]