5.—(1) The Secretary of State may grant exemptions from all or any of the requirements of these Regulations (as may be specified in the exemption) for individual cases or classes of case on such terms (if any) as the Secretary of State may specify if satisfied that—
(a)in any particular case or class of case compliance with such requirement or requirements is either impracticable or unreasonable; and
(b)the exemption is subject to such conditions and limitations as will provide a level of safety equivalent to that provided by the requirement or requirements from which the exemption is being granted.
(2) The Secretary of State may, on giving reasonable notice, alter or cancel an exemption that is granted in accordance with paragraph (1).
(3) An exemption granted under paragraph (1) and alteration or cancellation under paragraph (2) must—
(a)be in writing;
(b)specify the date on which it takes effect; and
(c)confirm the conditions (if any) on which it is given.
(4) In this regulation “in writing” includes the provision of such communication by electronic mail, facsimile or similar means which is capable of producing a document containing the text of any communication.