According to S&P Futures, a commodities contract is a a contract for future years delivery regarding some product without reference to certain lots, made under the regulations of several commercial body, in a set form, through which the conditions about unit of amount, the high quality and use of delivery are stereotyped, and only the actual determination of the total amounts as well as the price is still left open to the particular contracting events.
Such agreements are meant exclusively for future settlement, although the exact time of the settlement is decided simply by reference to the actual wishes with the seller and the established regulations of the product exchange. Such contracts do not specify this grade of your commodity, however impliedly refer to a fundamental grade known as the contract grade, accepted as the common quality for all commodities dealings. The facts in respect on the amount, time of settlement, the quality and the like are described in the rules and regulations, and are common to all such deals. The getting parties have to decide upon the value at which anything is to be settled, sometime in one of many trading months specified by the exchange.