If a broker, or the agent or employee of a broker, who is in the Territory sells marketable securities to, or purchases marketable securities from, a person who is not a broker, or the agent or employee of a broker—
(a) the broker, agent or employee is to be taken, for the purposes of this Chapter, to have acted on the orders of both the vendor and the purchaser; and
(b) the orders are to be taken to have been received by the broker, agent or employee in the Territory.