COBS 3.2.5

An Authorised Person must take reasonable steps to ensure that:

(a) any Marketing Material intended for Professional Clients or Market Counterparties is not sent or directed to any Persons who are not Professional Clients or Market Counterparties; and
(b) no Person communicates or otherwise uses the Marketing Material on behalf of the Authorised Person in a manner that amounts to a breach of the requirements in this section.