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[F1SCHEDULE 7U.K.UK declaration of conformity or suitability for use of interoperability constituents

(This Schedule substantially reproduces Annex IV to the Directive with amendments to correct deficiencies arising from the UK’s withdrawal from the European Union.)U.K.

1.  Interoperability constituentsU.K.

The UK declaration of conformity or suitability for use applies to the interoperability constituents involved in the interoperability of the rail system. These interoperability constituents may be:

(1.1) Multiple-use constituents

These are constituents that are not specific to the railway system and which may be used as such in other areas.

(1.2) Multiple-use constituents having specific characteristics

These are constituents which are not, as such, specific to the railway system, but which must display specific performance levels when used for railway purposes.

(1.3) Specific constituents

These are constituents that are specific to railway applications.]