Sections 4 and 6 do not prohibit a person who has assisted, or is assisting, in the conduct of a prescribed study from giving information concerning the affairs of another person to:
(a) the person who supplied the information;
(b) where the information concerns the affairs of only one person--that person;
(c) where the information concerns the affairs of 2 or more persons--any of those persons with the consent of the other person, or each other person, whose affairs that information concerns; or
(d) a person nominated by a person to whom the information may be given by virtue of paragraph ( a), (b) or (c) as a person to whom that information may be given.