5. (1) Unless the contrary intention appears, a reference in this Act to a complainant shall—
(a) in relation to a complaint lodged by an agent—be read as a reference to the person or each person on whose behalf the complaint is lodged; and
(b) in relation to an investigation in respect of which there is more than one complainant—be read as a reference to each complainant.
(2) Unless the contrary intention appears, a reference in this Act to a respondent shall—
(a) in relation to a complaint—be read as a reference to the person who is alleged to have done the act or acts to which the complaint relates;
(b) in relation to the investigation of a complaint in respect of which there is more than one respondent—be read as a reference to each respondent; and
(c) in relation to an investigation initiated by the Commissioner—be read as a reference to each person whose actions are the subject of the investigation.