Seller to advise the Buyer, In writing, until latest 30 minutes before the opening, the required price and respective quantity, and the order will be considered automatically executed if the respective month trades at least US$ 0.005 per bushel over the given order. This, however, not to include the opening and closing ranges where, as per the rules of the Chicago Board of Trade, brokers are not responsible for execution. If Chicago futures do not trade during that session at US$ 0.005 per bushel over the limit stipulated by Seller, no price fixing has taken place for that day, unless Buyer advises within 2 hours after the close that part or total of the pricing order given has been priced, and in that case Seller to accept quantity given by Buyer.