Regulation 19 Interoperability constituents: appropriate assessment procedure
For the purposes of regulation 11(2)(c) the appropriate conformity or suitability for use assessment procedure in relation to an interoperability constituent shall be—
(a)
the procedure specified:
(i)
in the TSI (if any) with which the interoperability constituent must comply; and
(ii)
by any relevant European specification (if any) with which the interoperability constituent must comply; or
(b)
in the absence of such a TSI or such a European specification, such conformity or suitability for use assessment procedure that is considered to be appropriate by the notified body; and
in any such case any relevant procedures set out in Schedule 4.