GEN 2.2.14 R (References to writing) has the effect that electronic media may be used to make communications that are required by the Handbook to be "in writing" unless a contrary intention appears. In ICOB, the use of an electronic medium is restricted in certain circumstances to a durable medium as required by the DMD and the IMD.
have in place appropriate arrangements, including contingency plans, to ensure the secure transmission and receipt of the communication; it should also be able to verify the authenticity and integrity of the communication, together with the date and time sent and received; the arrangements should be proportionate and take into account the different levels of risk in a firm's business;
be able to demonstrate that the customer wishes to communicate using this medium; and
if entering into an agreement, make it clear to the customer that a contractual relationship is created that has legal consequences.