(1) For the purposes of the application of this Act in relation to the Vietnam Veterans Study, this Act extends to information acquired, and documents prepared or obtained, before the commencement of this Act.
(2) For the purposes of the application of this Act in relation to a Commonwealth epidemiological study declared by the regulations to be a study to which this Act applies, this Act extends to information acquired, and documents prepared or obtained, before the commencement of those regulations.