Article 12
The competent authorities shall ensure the security of the data obtained in accordance with Articles 3 and 4, Article 5(3) and Article 6. All information obtained by the competent authorities shall be covered by the duty of professional secrecy.
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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.