WVC 46 - 2 - 306
§46-2-306. Output, requirements and exclusive dealings.
(1) A term which measures the quantity by the output of the
seller or the requirements of the buyer means such actual output
or requirements as may occur in good faith, except that no
quantity unreasonably disproportionate to any stated estimate or
in the absence of a stated estimate to any normal or otherwise
comparable prior output or requirements may be tendered or
(2) A lawful agreement by either the seller or the buyer for
exclusive dealing in the kind of goods concerned imposes unless
otherwise agreed an obligation by the seller to use best efforts
to supply the goods and by the buyer to use best efforts to
promote their sale.