9. The following provisions of the Act shall apply for the purposes of these Regulations which application shall, in the case of section 21, be as that section applies for the purposes of section 8, 14 or 15 of the Act and unless the context otherwise requires any reference in them to the Act or Part thereof shall be construed as a reference to these Regulations—
section 2 (extended meaning of `sale' etc.);
section 3 (presumption that food intended for human consumption);
section 20 (offences due to fault of another person);
section 21 (defence of due diligence);
section 22 (defence of publication in the course of a business);
section 30(8) (which relates to documentary evidence);
section 33 (obstruction etc. of officers);
section 36 (offences by bodies corporate); and
section 44 (protection of officers acting in good faith).