(1) The goods which
form the subject of a contract of sale may be either existing goods, owned or
possessed by the seller, or goods to be manufactured or acquired by the
seller, after the making of the contract of sale, in this Act called future
goods .
(2) There may be a
contract for the sale of goods, the acquisition of which by the seller depends
upon a contingency which may or may not happen.
(3) Where by a
contract of sale the seller purports to effect a present sale of future goods,
the contract operates as an agreement to sell the goods.