2.
In order for a certificate to remain valid, its holder shall undergo periodic examinations and/or tests relating to the requirements referred to in Articles 12 and 13. The frequency of those examinations and/or tests shall be determined by the railway undertaking or the infrastructure manager employing or contracting the driver in accordance with its own safety management system, and respect the minimum frequencies set out in Annex VII. For each of these checks the issuing body shall confirm by a statement on the certificate and in the register provided for in Article 22(2)(a) that the driver has met the requirements referred to in the first subparagraph of this paragraph.
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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.