HEALTH AND SAFETY PART 1 INTRODUCTION Citation and commencement 1 These Regulations may be cited as the Railways (Safety Case) Regulations 2000 and shall come into force on 31st December 2000. Interpretation 2 1 In these Regulations, unless the context otherwise requires— “the 1994 Regulations ” means the Railways (Safety Case) Regulations 1994 and any reference to a safety case prepared or accepted under the 1994 Regulations is a reference to a safety case within the meaning of those Regulations; “assessment body” means a body of persons corporate or unincorporate (other than the infrastructure controller in question) which is, in relation to an assessment referred to in regulations 4(2)(a) or 5(3)(a) or an audit referred to in regulation 9(1)— competent to carry out the assessment or audit, and sufficiently independent of the infrastructure controller to ensure that the assessment or audit is objective; “audit report” means a report made pursuant to regulation 9 or to the arrangements referred to in paragraph 5(b) of Schedule 1; “building operation” means the construction, structural alteration, repair or maintenance of a building (including repointing, redecoration and external cleaning of the structure), the demolition of a building, and preparation for, and laying the foundation of, an intended building, but does not include any operation which is a work of engineering construction; “ the Executive ” means the Health and Safety Executive; “factory” means a factory within the meaning of section 175 of the Factories Act 1961 and premises to which section 123(1) or (2) or 125(1) of that Act applies; “harbour” and “harbour area” have the meanings assigned to them by regulation 2(1) of the Dangerous Substances in Harbour Areas Regulations 1987 ; “infrastructure controller” means a person who controls railway infrastructure; “mine” has the meaning assigned to it by section 180 of the Mines and Quarries Act 1954 ; “notified” means notified in writing, and related expressions shall be construed accordingly; “quarry” has the meaning assigned to it by regulation 3 of the Quarries Regulations 1999 ; “railway” has the meaning assigned to it by section 67(1) of the Transport and Works Act 1992 except that it does not include any part of a railway— within a harbour or harbour area, or which is part of a factory, mine or quarry unless, in each case, it is being used or is intended to be used for the carriage of fare paying passengers, used solely for the purpose of carrying out construction work, or within a maintenance or goods depot; “railway infrastructure” means fixed assets used for the operation of a railway including its permanent way and plant used for signalling or exclusively for supplying electricity for operational purposes to the railway, but it does not include a station; “railway operator” means a person who is an infrastructure controller or operates trains or stations; “relevant infrastructure controller” means— in relation to the operation of trains, the person in control of the railway infrastructure in relation to which the trains are to be operated and, where there are different such persons for different parts of that infrastructure, each of them, in relation to the operation of stations, the person in control of the railway infrastructure serving the station the subject of the safety case and, where there are different persons in control of different parts of the railway infrastructure serving such station, each of them; “revision” means proposed revision where by virtue of regulation 7(3), 8(1) and 16(2) or (3) the revision has not been made; “safety case” shall be construed in accordance with paragraph (2); “station” means a railway passenger station or terminal, but does not include any permanent way or plant used for signalling or exclusively for supplying electricity for operational purposes to the railway; “train” includes any rolling stock (within the meaning of the Railways Act 1993 ); “work of engineering construction” means the construction of any railway line or siding otherwise than on an existing railway, and the construction, structural alteration or repair (including repointing and repainting) or demolition of any tunnel, bridge or viaduct, except where carried on upon a railway. 2 Any reference in these Regulations to a safety case is a reference to a document containing the particulars required by the provisions of these Regulations pursuant to which the safety case is prepared; and a safety case may— a contain the particulars so required by reference to the same particulars contained in another safety case prepared by the same person; b be prepared by a person in respect of more than one operation intended to be undertaken by him. 3 Any provision of these Regulations requiring particulars to be included in a safety case which are also required to be included by virtue of a more general provision of the Regulations is without prejudice to the generality of the more general provision. 4 Any reference in these Regulations to an infrastructure controller recommending acceptance of a safety case or revision is a reference to that controller notifying the Executive that he is satisfied that the procedures and arrangements described in it which affect or are likely to affect the performance of his own health and safety duties will, when properly implemented with those described in any other safety case or revision thereof which that controller has prepared or which has been accepted pursuant to these Regulations and which relates to the railway infrastructure under his control, be capable of ensuring compliance by that controller with those duties in relation to the operation to which the first mentioned safety case or revision relates. 5 Without prejudice to regulation 8, any reference in these Regulations to the Executive accepting a safety case or revision is a reference to the Executive notifying the person who prepared it that it is satisfied with the case for health and safety made out in it. 6 Any reference in these Regulations to the health and safety duties of an infrastructure controller is a reference to the duties imposed on him by the relevant statutory provisions (other than these Regulations). 7 Where a railway operator is succeeded by a new railway operator, anything done in pursuance of these Regulations by the former railway operator shall, for the purposes of these Regulations, be treated as having been done by his successor; and for this purpose a person shall be treated as a successor in so far as control of the relevant railway infrastructure or the operation of the trains or stations concerned, as appropriate, has been transferred to him. 8 Any reference in these Regulations to a person in control of any railway infrastructure is a reference to a person who, in the course of a business or other undertaking carried on by him (whether for profit or not), is in operational control of that infrastructure, except that where such control is for the time being exercised by a person undertaking maintenance, repair or alteration work on the infrastructure, it is a reference to a person who would be in operational control of the infrastructure if such work were not being undertaken. 9 Any reference in these Regulations to a person operating a train or station is a reference to the person operating the train or station for the time being in the course of a business or other undertaking carried on by him (whether for profit or not), but it does not include a self-employed person by reason only that he himself drives or otherwise controls the movement of a train. 10 Any requirement in these Regulations for a safety case, revision, recommendation, audit report or other document to be sent, submitted or otherwise delivered includes delivery by electronic means. 11 Unless the context otherwise requires, any reference in these Regulations to— a a numbered regulation or Schedule is a reference to the regulation or Schedule in these Regulations so numbered; b a numbered paragraph is a reference to the paragraph so numbered in the regulation or Schedule in which the reference appears. Application 3 The duties imposed on an infrastructure controller by regulation 4(2) and (3), regulation 5(3), (4)(d) and (6)(b) and regulation 9 shall apply only where the railway infrastructure under the control of that controller— a is used for the operation of passenger trains by an operator other than the infrastructure controller; or b serves a station operated by an operator other than the infrastructure controller. PART II SAFETY CASES Use of railway infrastructure 4 1 Subject to regulation 16 (transitional provisions) a person in control of any railway infrastructure shall not use it or permit it to be used for the operation of trains or stations unless— a he has prepared a safety case containing the particulars specified in Schedule 1 and, where that infrastructure is to be used for the operation of trains or stations by persons other than the infrastructure controller, Schedule 2; b the Executive has accepted that safety case; c where he is not the person operating those trains or stations, the person undertaking that operation has agreed in writing to comply with any reasonable request he may make as respects any aspect of the operation which affects or is likely to affect the performance of the health and safety duties of the person in control of the railway infrastructure; and d the person operating those trains or stations has complied with regulation 5(1). 2 An infrastructure controller who prepares a safety case shall— a procure the carrying out of an assessment of that safety case by an assessment body; and b obtain from that body a report of that assessment which shall include— i a recommendation as to whether in the view of that body the safety case should or should not be accepted; ii where acceptance is recommended, a statement that in its view the case for health and safety is satisfactorily made out; and iii where acceptance is not recommended, the reasons for that recommendation. 3 When submitting the safety case prepared pursuant to paragraph (1) to the Executive, the infrastructure controller shall send to the Executive a copy of the report of the assessment body relating to that safety case obtained under paragraph (2). 4 Where a person who prepares a safety case for the purpose of paragraph (1) has submitted a safety case to the Executive for acceptance, the Executive shall notify that person whether the safety case is accepted or not and, where the safety case is not accepted, give reasons for that decision. Safety case for train operations and for station operations 5 1 Subject to regulation 16 (transitional provisions) a person shall not operate a train in relation to any railway infrastructure and a person shall not operate a station unless— a he has prepared a safety case containing the particulars specified in Schedule 1; and b the Executive has accepted that safety case. 2 A person who prepares a safety case for acceptance pursuant to paragraph (1) shall submit the safety case to the Executive and at the same time, unless he is the relevant infrastructure controller, to the relevant infrastructure controller. 3 An infrastructure controller who receives a safety case shall— a procure the carrying out of an assessment of that safety case by an assessment body; and b obtain from that body a report of that assessment which shall include— i a recommendation as to whether in the view of that body the safety case is satisfactory for the purpose of the matters set out in regulation 2(4) on which the infrastructure controller must be satisfied; ii where acceptance is recommended, a statement that in its view the procedures and arrangements described in it which affect or are likely to affect the performance of the infrastructure controller’s own health and safety duties will, when properly implemented with those described in any other safety case which the infrastructure controller has prepared, or which has been accepted pursuant to these Regulations and which relates to the railway infrastructure under the control of that infrastructure controller, be capable of ensuring compliance by the infrastructure controller with those duties in relation to the operation to which the first mentioned safety case relates; and iii where acceptance is not recommended, the reasons for that decision. 4 The infrastructure controller shall scrutinise a safety case submitted to him under paragraph (2) and shall send to the Executive— a where the safety case submitted under paragraph (2) has been modified by agreement between the infrastructure controller and the person who has prepared the safety case, a copy of the safety case so modified; b the recommendation of the infrastructure controller as to whether the safety case should or should not be accepted and, if the recommendation is that the safety case should not be accepted, the reasons for that recommendation; c a copy of the record prepared by him pursuant to regulation 14(3); and d a copy of the report of the assessment body obtained pursuant to paragraph (3). 5 A recommendation made by an infrastructure controller pursuant to paragraph (4)(b) shall be accompanied by a statement identifying— a the procedures and arrangements described in the safety case which do not affect or which are unlikely to affect the performance of his health and safety duties; and b where any procedures or arrangements described in the safety case affect or are likely to affect the performance of his health and safety duties only to a limited extent, the extent to which they do or are likely to do so. 6 The infrastructure controller shall send to the person who has submitted the safety case— a a copy of the recommendation and the statement referred to in paragraph (5); and b a copy of the report of the assessment body obtained under paragraph (3) relating to that safety case. 7 The Executive shall, having regard to any recommendation made by the infrastructure controller under paragraph (4)(b)— a notify the infrastructure controller and the person who has prepared the safety case whether the safety case has been accepted or not; b where the decision differs from the recommendation of the infrastructure controller provided under paragraph (4)(b) or where the Executive does not accept the safety case, give reasons for that decision; and c where the accepted safety case is different from that submitted to the Executive under paragraph (2) or, where paragraph (3)(a) applies, under that paragraph, notify the infrastructure controller of the changes made. 8 The Executive may in writing direct the infrastructure controller to comply with the requirements imposed by paragraph (4) within such reasonable time, being a period of not less than 28 days, as may be specified by the Executive and where such direction is made the infrastructure controller shall comply with the direction. 9 Nothing in paragraph (7) shall prevent the Executive determining, in the absence of a recommendation from the relevant infrastructure controller or, where applicable, the assessment body, whether a safety case should be accepted or not provided the Executive has given reasonable notice to the controller and, where applicable, the assessment body of its decision to do so. Review of safety cases 6 A person who has prepared a safety case which has been accepted pursuant to these Regulations shall make a thorough review of its contents at such intervals as the Executive may in writing direct or, in the absence of such direction, at least every three years. Revision of safety cases 7 1 A person who has prepared a safety case which has been accepted pursuant to these Regulations shall revise its contents— a in accordance with regulation 16(2); b whenever it is appropriate; and c whenever required to do so by the Executive pursuant to regulation 8. 2 Nothing in these Regulations shall require the revision referred to in sub-paragraph (b) of paragraph (1) to be sent to another person except that, where such a revision will render the safety case materially different from the version last accepted pursuant to these Regulations, the revision shall not be made unless the Executive has accepted the revision. 3 A person who proposes a revision to his safety case which he requires to be accepted by virtue of paragraph (2) shall submit the revision to the Executive and, unless he is the relevant infrastructure controller, to the relevant infrastructure controller. 4 The infrastructure controller shall scrutinise the revision submitted to him under paragraph (3) and shall send to the Executive— a where the revision submitted under paragraph (3) has been modified by agreement between that controller and the person who submitted the revision, the revision so modified; b a recommendation as to whether the revision should or should not be accepted and the reasons for that recommendation; and c a copy of the record prepared by him pursuant to regulation 14(3). 5 A recommendation made by an infrastructure controller pursuant to paragraph (4) shall be accompanied by a statement identifying— a the procedures and arrangements described in the revision which do not affect or which are unlikely to affect the performance of his health and safety duties; and b where any procedures or arrangements described in the revision affect or are likely to affect the performance of his health and safety duties only to a limited extent, the extent to which they do or are likely to do so. 6 The infrastructure controller shall send to the person who has submitted a revision to him pursuant to paragraph (3) a copy of the recommendation and statement referred to in paragraph (5). 7 The Executive shall, having regard to any recommendation made by the infrastructure controller under paragraph (4)(b)— a in relation to a revision of a safety case of a train operator or station operator submitted under paragraph (3)— i notify the relevant infrastructure controller and, where different, the person who has submitted the revision whether the revision has been accepted or not; ii where the decision differs from the recommendation of the infrastructure controller provided under paragraph (5) or where the Executive does not accept the revision, give reasons for that decision; and iii where the accepted revision is different from that submitted to the Executive under paragraph (2) or, where paragraph (4)(a) applies, under that paragraph, notify the infrastructure controller of the changes made; and b in relation to a revision of a safety case of an infrastructure controller, notify the infrastructure controller whether the revision has been accepted or not and, where it is not accepted, give reasons for that decision. 8 The Executive may direct an infrastructure controller to comply with the requirements imposed by paragraph (4) within such reasonable time, being a period of not less than 28 days, as may be specified by the Executive, and where such direction is given, the infrastructure controller shall comply with the direction. 9 Nothing in paragraph (7) shall prevent the Executive determining in the absence of a recommendation from the relevant infrastructure controller or, where applicable, the assessment body whether a revision should be accepted or not provided the Executive has given reasonable notice to the controller and, where applicable, the assessment body of its decision to do so. 10 Regulation 4(2) and (3) and regulation 5(3), (4)(d) and (6)(b) shall apply in relation to a revision submitted pursuant to paragraph (3) as if any reference in those regulations to a safety case prepared for the purposes of those regulations was a reference to a revision of that safety case prepared pursuant to this regulation. Power of Executive in relation to safety cases 8 1 Where a safety case has been accepted pursuant to these Regulations, the Executive may in writing direct the person who prepared that safety case to prepare revisions to it in relation to such matters as may be notified to that person by the Executive, and a direction made for the purposes of this regulation shall state the reasons why in the opinion of the Executive a revision is necessary and shall specify a time, not being less than 28 days, within which such revision shall be submitted to the Executive and, where appropriate, to the infrastructure controller. 2 The procedures for revisions set out in regulation 7 shall apply to a revision submitted pursuant to paragraph (1) as if the revision had been made pursuant to paragraph (3) of regulation 7. Audit 9 1 The infrastructure controller shall procure an assessment body to undertake at intervals or not more than 12 months an audit of— a those operations of the infrastructure controller arising from control of railway infrastructure and stations; and b those operations of any other person operating trains or stations in relation to railway infrastructure in the control of the infrastructure controller, and obtain from that body a report or reports of such audit. 2 The infrastructure controller shall as soon as reasonably practicable after its completion send a copy of any report prepared for the purpose of paragraph (1) to— a the person (not being the infrastructure controller) to whose operations the report relates; b any other railway operator who may be affected by matters to which the report relates; and c the Executive. 3 In this regulation— a “audit” means a systematic assessment of the adequacy of the management system of the railway operator to achieve compliance by him with the relevant statutory provisions in relation to the operations undertaken by him; b “management system” means the organisation and arrangements established by the railway operator for managing his undertaking. PART III GENERAL DUTIES Duty to conform with safety case 10 1 Where a person has had accepted a safety case pursuant to these Regulations, he shall ensure that the procedures and arrangements described in the safety case and any revision thereof are followed. 2 In criminal proceedings for a contravention of paragraph (1) it shall be a defence for the accused to prove that— a in the particular circumstances of the case it was not in the best interests of the health and safety of persons to follow the procedures or arrangements concerned and there was insufficient time to revise the safety case pursuant to regulation 7; or b the commission of the offence was due to a contravention by another person of regulation 11 and the accused had taken all reasonable precautions and exercised all due diligence to ensure that the procedures or arrangements were followed. Co-operation 11 1 Every person to whom this regulation applies shall— a co-operate so far as is necessary with a railway operator (in this regulation referred to as “the duty holder”) to enable him to comply with the provisions of these Regulations; and b co-operate so far as is necessary with an assessment body to enable it to make any recommendation pursuant to regulations 4 or 5 and to carry out any audit referred to in regulation 9. 2 This regulation applies to— a any railway operator whose operations affect or are affected by operations carried out by the duty holder; b an employer of persons or a self-employed person carrying out work on or in relation to premises or plant owned or controlled by the duty holder; and c an assessment body required to make a recommendation pursuant to regulations 4 or 5 or to carry out an audit pursuant to regulation 9. Duties of infrastructure controller 12 1 Subject to paragraph (2), an infrastructure controller shall take all reasonable steps to ensure that— a any person operating trains in relation to railway infrastructure controlled by that controller; and b any person operating a station served by railway infrastructure controlled by that controller, carries out those operations so as to conform with the safety case prepared by that person and any revisions to it made under these Regulations. 2 The duty imposed on an infrastructure controller under paragraph (1) shall extend only to those parts of a safety case which affect or are likely to affect the performance of the health and safety duties of the infrastructure controller. Notification of non-compliance 13 Where, in respect of a person operating trains or stations referred to in regulation 12— a an infrastructure controller is aware that that person is failing to conform to his safety case in a manner which, in the opinion of the infrastructure controller, is likely to increase the risk of serious personal injury to any person; or b that person fails to comply with a reasonable request of the infrastructure controller as respects any matter referred to in regulation 4(1)(c), the infrastructure controller shall (whether or not the failure has been rectified) within 7 days notify the Executive of that fact and of the steps he has taken or proposes to take to achieve compliance with the safety case or the request as the case may be. Notifications, consultations and documents 14 1 A person who prepares a safety case pursuant to these Regulations shall— a when submitting that safety case for acceptance, notify the Executive of an address in Great Britain for the purposes of this regulation (and the address so notified is referred to in this regulation as “the notified address”); b keep the accepted safety case and any revision thereof or a copy thereof at the notified address; c make available for public inspection at the notified address at reasonable times and on reasonable notice a copy of the accepted safety case and any revision made thereto, save that nothing in this sub-paragraph shall require the disclosure of any information relating to a named individual or which is commercially confidential or of any information the disclosure of which is detrimental to national security or to the security of the railway; d keep each audit report relating to his operations or a copy thereof at the notified address; e ensure that a record is made of any action taken in consequence of such an audit report and keep that record or a copy thereof at the notified address; f ensure that a report is made of every review carried out pursuant to regulation 6 and ensure that a copy of it is sent to the Executive and, except where the report relates to the safety case of the relevant infrastructure controller, the relevant infrastructure controller; and g keep such report or a copy thereof at the notified address. 2 The person to whose operations an audit report prepared pursuant to the arrangements referred to in paragraph 5(d) of Schedule 1 relates shall, as soon as reasonably practicable after its completion, send a copy of that audit report to— a the Executive; b each railway operator affected by matters to which the report relates; and c in the case of a report prepared in relation to the operation of a train or a station, the relevant infrastructure controller. 3 Where an infrastructure controller scrutinises a safety case submitted to him pursuant to regulation 5 or a revision submitted to him pursuant to regulation 7, he shall make a record of the steps he has taken in that scrunity and of the results thereof. 4 Where an infrastructure controller has made a recommendation to the Executive in respect of a safety case or revision, the controller shall keep a copy of that safety case or revision as accepted by the Executive, every report sent to him pursuant to paragraph (1)(f) and the record referred to in paragraph (3) at the notified address. 5 Each report and record required to be kept by this regulation shall be kept for a period of 5 years after it has been made, and each safety case and revision required to be kept by this regulation shall be kept for so long as it is current. 6 It shall be sufficient compliance with paragraphs (1) and (4) for the information in the documents to be kept at the notified address on film or by electronic means, provided that the information is capable of being reproduced as a written copy at that address and it is secure from loss or unauthorised interference. 7 A person who has notified an address pursuant to paragraph (1)(a) may subsequently notify to the person who has accepted the safety case a different address in Great Britain and, where he does so, references in this regulation to the notified address shall be construed as the address in the last notification made under this paragraph. 8 An employer who prepares a safety case or revision thereto pursuant to these Regulations shall, in relation to its preparation, consult— a safety representatives (within the meaning of regulation 2(1) of the Safety Representatives and Safety Committees Regulations 1977 ), and b such other employees as he is required to consult by virtue of regulation 3 of the Health and Safety (Consultation with Employees) Regulations 1996 . 9 Regulation 7(1) of the Safety Representatives and Safety Committees Regulations 1977 shall have effect as if the reference to safety representatives being entitled to inspect and take copies of documents were, in a case where by virtue of paragraph (6) information is kept on film or in electronic form, a reference to them being entitled to be given appropriate facilities to enable them to read it and to take a copy of it. PART V MISCELLANEOUS Appeals 15 1 A person who is aggrieved by— a a refusal of the Executive to accept a safety case or a revision of a safety case submitted by him under these Regulations; or b a direction of the Executive to prepare a revision of his safety case pursuant to regulation 8(1), may appeal to the Secretary of State. 2 For the purposes of paragraph (1), a failure of the Executive to accept within a reasonable time a safety case or revision submitted to it pursuant to these Regulations shall be treated as a refusal to accept it. 3 Sub-sections (2) to (6) of section 44 of the 1974 Act shall apply for the purposes of paragraph (1) as they apply to an appeal under section 44(1) of that Act. 4 The Health and Safety Licensing Appeals (Hearing Procedure) Rules 1974 , as respects England and Wales, and the Health and Safety Licensing Appeals (Hearing Procedure) (Scotland) Rules 1974 , as respects Scotland, shall apply to an appeal under paragraph (1) as they apply to an appeal under sub-section (1) of the said section 44, but with the modification that references to a licensing authority are to be read as references to the Executive. Transitional provisions 16 1 A safety case accepted pursuant to the 1994 Regulations and which is current immediately before the coming into force of these Regulations shall, subject to the requirements imposed by paragraph (3), be treated as if it had been accepted pursuant to these Regulations. 2 In relation to a safety case referred to in paragraph (1) an infrastructure controller shall— a prepare a revision to that safety case for the purposes of including such matters as are required to be included in the safety case by these Regulations and which were not required by the 1994 Regulations; and b submit the revision to the Executive within 6 months of the coming into force of these Regulations. 3 In relation to a safety case referred to in paragraph (1) a railway operator (other than an infrastructure controller) shall— a prepare a revision to that safety case for the purposes of including such matters as are required to be included in the safety case by these Regulations and which were not required by the 1994 Regulations; and b submit the revision to the relevant infrastructure controller and to the Executive by the date by which the periodic review would have been required by virtue of regulation 6(3) of the 1994 Regulations, save that— i where the date of that review would fall within the period of 6 months from the coming into force of these Regulations, the revision shall be submitted not later than 6 months after the coming into force of these Regulations; and ii where the date of that review would fall outside the period of 2 years from the coming into force of these Regulations, the revision shall be submitted not later than 2 years after the coming into force of these Regulations. 4 The provisions of these Regulations shall apply to a revision submitted under paragraphs (2) or (3) as they apply to a revision submitted under regulation 7(3). 5 Until 31st December 2003, regulation 6 shall apply to a safety case accepted pursuant to the 1994 Regulations and which is still current immediately before the coming into force of these Regulations as if the reference to 3 years were a reference to 3 years from the date of the last review undertaken pursuant to regulation 6(3) of the 1994 Regulations. 6 Any exemption granted by the Executive under regulation 11 of the 1994 Regulations and which has not been revoked shall, notwithstanding the revocation of the 1994 Regulations, continue in force and shall have effect as if it had been granted pursuant to regulation 17 of these Regulations. Exemptions 17 1 Subject to paragraph (2) and to any Community obligation of the United Kingdom the Executive may, by a certificate in writing, exempt any person or class of persons from any requirement or prohibition imposed by these Regulations and any such exemption may be granted subject to conditions and with or without limit of time and may be revoked by a certificate in writing at any time. 2 The Executive shall not grant any such exemption unless, having regard to the circumstances of the case, and in particular to— a the conditions, if any, which it proposes to attach to the exemption; and b any other requirements imposed by or under any enactment which apply to the case, it is satisfied that the health and safety of persons who are likely to be affected by the exemption will not be prejudiced in consequence of it. 3 Subject to any Community obligation of the United Kingdom, the Secretary of State for Defence may, in the interests of national security, by a certificate in writing exempt any person or class of persons from the requirements of these Regulations and any such exemption may be granted subject to conditions and to a limit of time and may be revoked by the said Secretary of State by a further certificate in writing at any time. Amendment and revocation 18 1 The enactments referred to in Schedule 3 shall be amended in accordance with the provisions of that Schedule. 2 The Railways (Safety Case) Regulations 1994 are hereby revoked. John Prescott Signed by the Secretary of State for the Environment, Transport and the Regions. 2nd October 2000