. . " entitled to refuse to comply with the requirement unless: (a) if the person to whom, or by or on behalf of whom, the communication was made is a body corporate that is being wound up--the liquidator of the body; or (b) otherwise--the person to whom, or by or on behalf of whom, the communication was made; consents to the lawyer complying with the requirement. (3) If the lawyer so refuses, he or sh" . .