Corp. Code, § 29505

(a) “Commodity contract” means any account, agreement, or contract for the purchase or sale, primarily for speculation or investment purposes and not for use or consumption by the offeree or purchaser, of one or more commodities, whether for immediate or subsequent delivery or whether delivery is intended by the parties, and whether characterized as a cash contract, deferred shipment or deferred delivery contract, forward contract, futures contract, installment or margin contract, leverage contract, or otherwise. A “commodity contract” includes a commodity option as defined in Section 29510, unless otherwise specified. Any “commodity contract” offered or sold shall, in the absence of evidence to the contrary, be presumed to be offered or sold for speculation or investment purposes.

(b) A “commodity contract” shall not include any contract or agreement which requires, and under which the purchaser personally receives, or at the request of the purchaser a family member or an individual (which individual is other than the seller or any affiliate of the seller, including any officer, director, or employee of the seller or any affiliate of the seller) with whom the purchaser has a preexisting close personal or preexisting business relationship personally receives, within 28 calendar days from the full payment in good funds of the purchase price, actual physical delivery of the quantity of each commodity purchased under the contract or agreement. In the case of a seller who requires a partial payment of the total purchase price before obligating itself to actually physically deliver the quantity of each commodity purchased under the contract or agreement described in this subdivision, both the amount remaining on the total purchase price shall be paid in good funds and actual physical delivery of the quantity of each commodity purchased under the contract or agreement shall be personally received (by the purchaser or above-described individual) within 28 calendar days from the date of the partial payment in good funds. Otherwise, for the purposes of this exclusion from the definition of a “commodity contract,” a partial payment of, or an installment payment on, the purchase price is not a full payment in good funds of the purchase price.