PART 2Subsystems
Essential requirements for project subsystems15
1
For the purposes of these Regulations, the essential requirements for a project subsystem are deemed to be met if the project subsystem conforms with —
a
all applicable TSIs;
b
where paragraph (2) applies, the requirements of all applicable notified national technical rules, subject to any dispensation granted under regulation 46(1); and
c
where such a dispensation applies, any conditions of that dispensation.
2
This paragraph applies to a project subsystem where—
a
there are no applicable TSIs;
b
a relevant TSI does not govern all elements of the project subsystem;
c
a derogation from conformity with the whole or part of a relevant TSI has been granted under regulation 14 in respect of that subsystem; or
d
the Competent Authority has determined under regulation 13 that the whole or part of a TSI does not apply to that subsystem.