34A [Seller's obligation to hand over documents];
52A [Early delivery: buyer may either take or refuse delivery];
54A1 [Buyer's obligation to pay includes enabling steps (common example): arranging for letter of credit];
59B [Payment due at time fixed or determinable by contract: no need for request by seller or other formality];
64A [Seller's right to avoid contract: grounds for avoidance];
74A [General rules for measuring damages: loss suffered as consequence of breach];
76B [Avoidance: damages based on current price];
77A [Obligation to take reasonable measures to mitigate damages];
78A [Interest on delay in receiving price or any other sum in arrears];
79B [Impediments excusing party from damages];
80A [Failure of performance caused by other party (party causing non-performance): loss of rights]