§490:2A-404 Substituted performance. (a) If without fault of the lessee, the lessor, and the supplier, the agreed berthing, loading, or unloading facilities fail or the agreed type of carrier becomes unavailable or the agreed manner of delivery otherwise becomes commercially impracticable, but a commercially reasonable substitute is available, the substitute performance must be tendered and accepted.
(b) If the agreed means or manner of payment fails because of domestic or foreign governmental regulation: