147.3(1)No person shall be found to have contravened subsection 147.2(2) if the person proves that at the time of the transaction described in that subsection or at the time of the making of the recommendation or giving of the encouragement described in that subsection, as the case may be, the person reasonably believed that the other party to the transaction or the person who received the recommendation or encouragement had knowledge of the material order information.