Where a verifier demonstrates its conformity with the criteria laid down in the relevant harmonised standards, within the meaning of point 9 of Article 2 of Regulation (EC) No 765/2008, or parts thereof, the references of which have been published in the Official Journal of the European Union, it shall be presumed to comply with the requirements set out in Chapters II and III of this Regulation in so far as the applicable harmonised standards cover those requirements.