For the purposes of this Regulation, the following definitions shall apply:

1. (a)

   F1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. (b)

   ‘residual concern’ means a minor issue identified during the assessment of an application for a single safety certificate or for a safety authorisation which does not prevent their issuing and can be deferred for later supervision.

3. (c)

   F2‘national safety authority’ means one or both of—

   1. (i)

      a safety authority; or

   2. (ii)

      the safety authority for the tunnel system

   as defined in regulation 2 of the Railways and Other Guided Transport Systems (Safety) Regulations 2006.

4. (c)

   F3‘national safety authority’ has the meaning provided for “safety authority” in regulation 2 of the Railways (Safety Management) Regulations (Northern Ireland) 2006.