DR 7-104 Communicating With One of Adverse Interest.

  1. During the course of his representation of a client a lawyer shall not:
    1. Communicate or cause another to communicate on the subject of the representation with a party he know to be represented by a lawyer in that matter unless he has the prior consent of the lawyer representing such other party or is authorized by law to do so.
    2. Give advice to a person who is not represented by a lawyer, other than the advice to secure counsel, if the interests of such person are or have reasonable possibility of being in conflict with the interests of his client.