(1)  A solicitor must not take any step to prevent or discourage a prospective witness or a witness from conferring with an opponent or being interviewed by or on behalf of any other person involved in the proceedings.

(2)  A solicitor will not have breached subrule (1) simply by telling a prospective witness or a witness that the witness need not agree to confer or to be interviewed or by advising about relevant obligations of confidentiality.