(1) If the complaint is about an entity that is a Commonwealth body, the respondent is whichever of the following applies:
(a) if the Commonwealth body is a body corporate or an individual--the Commonwealth body;
(b) if the Commonwealth body is unincorporated--the principal executive of the Commonwealth body within the meaning of section 37 of the Privacy Act 1988 .
(2) If the complaint is about an entity that is not a Commonwealth body, the respondent is the entity.