56.—(1) The Secretary of State, a local authority or the Agency shall, if so requested in writing, supply to any person who presents products pursuant to regulation 18, or to any organisation representing such persons, details of the calculations which she or it uses to determine charges for veterinary checks and shall take into account any representations made by such person or organisation in determining such charges.
(2) If requested in writing so to do by the Secretary of State or the Agency, a local authority shall provide the Secretary of State or the Agency, as the case may be, with such information as she or it may require relating to the calculation of charges for veterinary checks, and with copies of any written representations made by persons or organisations referred to in paragraph (1).