For the purposes of this Regulation, the following F1definitions shall apply: ‘supervision’ means the arrangements put in place by the national safety authority to oversee safety performance after it has granted a safety certificate F2;

• “Intergovernmental Commission” has the meaning provided in section 49(1) of the Channel Tunnel Act 1987;

• “national safety authority” means one or both of—

  1. (a)

     a safety authority; and

  2. (b)

     the safety authority for the tunnel system as defined in the Railways and Other Guided Transport Systems (Safety) Regulations 2006;

• “Part A safety certificate” and “Part B safety certificate” have the meanings provided by the Railways and Other Guided Transport Systems (Safety) Regulations 2006 for “Part A of a safety certificate” and “Part B of a safety certificate” respectively.

For the purposes of this Regulation, the following F3definitions shall apply: ‘supervision’ means the arrangements put in place by the national safety authority to oversee safety performance after it has granted a safety certificate F4;

• “national safety authority” has the meaning provided for “safety authority” in regulation 2 of the Railways (Safety Management) Regulations (Northern Ireland) 2006 ;

• “Part A safety certificate” and “Part B safety certificate” have the meanings provided in regulation 2 of the Railways (Safety Management) Regulations (Northern Ireland) 2006 for “Part A of a safety certificate” and “Part B of a safety certificate” respectively.