7. (1) No individual return, and no part of an individual return, made, and no information with respect to any particular undertaking given, for the purposes of this Act, shall, without the previous consent in writing of the owner for the time being of the undertaking in relation to which the return or information was made or given, or his authorised agent, be published in such manner as would enable any particulars to be identified as referring to a particular undertaking. (2) Except for the purposes of a prosecution under this Act or under the Penal Code, no person not engaged in connection with the collection of statistics under this Act shall be permitted to see any individual return or information referred to in sub section (1).