4A [Scope of Convention (issues covered): burden of proof (need to prove right to interest on loss of profit)];

25B [Definition of fundamental breach: substantial deprivation of expectation, etc.];

45A [Buyer's right to claim damages for breach of contract by seller];

49A2 [Buyer's right to avoid contract (grounds for avoidance): fundamental breach (seller does not deliver or refuses to deliver];

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

74A1 ; 74C [General rules for measuring damages: loss suffered as consequence of breach including loss of profit; Damages suffered because of fluctuating rate of currency the price had to be paid in: not granted because of difficulty of estimating damages];

81C [Effect of avoidance on obligations: restitution by each party of benefits received];

84A [Seller bound to refund price must pay interest: set at prevailing rate of interest at seller's place of business]