7C23 [Gap-filling by domestic law: resort to domestic law to determine rules applicable to return of deposit];
8C [Interpretation of party's statement or other conduct: interpretation in light of surrounding circumstances];
25A [Effect of a fundamental breach];
29A [Parties by agreement may modify or terminate contract];
49A [Buyer's right to avoid contract: grounds for avoidance];
71A1 [Suspension of performance: grounds for suspension by other party];
72A [Avoidance prior to date for performance: when clear that party will commit fundamental breach];
80A [Failure of performance caused by other party (party causing non-performance): loss of rights]