4.
Where a competent authority delegates or contracts tasks referred to in points (a) or (b) of paragraph 1 to a railway undertaking, at least one of the following conditions shall be complied with: the railway undertaking issues licences only to its own drivers; the railway undertaking does not enjoy exclusivity in the territory concerned for any of the delegated or contracted tasks.
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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.