7A32 ; 7A33 [Principles of interpretation: observance of good faith as principle for interpretating Convention; As a standard to be observed by parties in performance of contract: issuance of bank guarantee which had already expired termed contrary to principle of good faith];

8C [Interpretation of party's statements or other conduct: issuance of bank guarantee which had already expired termed contrary to understanding a reasonable person would have had in the same circumstances];

54A [Obligation to pay price includes enabling steps: issuance of bank guarantee];

71A1 ; 71D3 [Suspension of performance: grounds for suspension; Consequences of failure to provide adequate assurance];

73B12 [Avoidance in installment contracts: refusal of future installments when breach in one installment gives grounds to expect fundamental breach with respect to future installments];

78A ; 78B [Interest on delay in receiving price; Rate of interest: calculated in accordance with law of State in whose currency payment was to be made];