1. Without prejudice to the supervisory and investigative powers of competent authorities listed in Article 18, Member States shall, in accordance with national law, provide for competent authorities to have the power to take appropriate administrative penalties and to take other administrative measures in relation to the following infringements:
(a) infringements of Articles 4, 5 and 6;
(b) infringements of Articles 7 and 8;
(c) infringements of Article 9 and 10;
(d) infringements of Articles 13 and 16;
(e) infringements of Article 28.
2. Member States may decide not to lay down rules on administrative sanctions and administrative measures applicable to breaches of this Regulation which are subject to sanctions under national criminal law. In such a case, Member States shall notify the Commission of the relevant criminal law provisions and any subsequent amendments thereto.
3. Member States shall, in accordance with national law, ensure that competent authorities have the power to imp
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