4.
The competent authorities may exercise the powers referred to in paragraph 3 in conformity with national law either: directly under their own authority or under the supervision of the judicial authorities; or by application to courts competent to grant the necessary decision, including, where appropriate, by appeal, if the application to grant the necessary decision is not successful.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-11 · Text as adopted (Official Journal); later amendments are not incorporated in this text.