preamble_31

Whereas the subsystems constituting the trans-European high-speed rail system must be subjected to a verification procedure; whereas that verification must enable the authorities responsible for authorizing their placing in service to be assured that at the stages of design, construction and placing in service the result is in line with the regulations and technical operational provisions in force; whereas that must also enable manufacturers to be able to count upon equality of treatment whatever the country; whereas it is therefore necessary to lay down a module defining the principles and conditions applying to EC verification of subsystems;

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Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.