1. Without prejudice to any criminal sanctions and without prejudice to the supervisory powers of competent authorities under Article 23, Member States shall, in accordance with national law, provide for competent authorities to have the power to take appropriate administrative sanctions and other administrative measures in relation to at least the following infringements:
(a) infringements of Articles 14 and 15, Article 16(1) and (2), Article 17(1), (2), (4) and (5), and (8), Article 18(1) to (6), Article 19(1), (2), (3), (5), (6), (7) and (11) and Article 20(1); and
(b) failure to cooperate or to comply with an investigation, with an inspection or with a request as referred to in Article 23(2).
Member States may decide not to lay down rules for administrative sanctions as referred to in the first subparagraph where the infringements referred to in point (a) or point (b) of that subparagraph are already subject to criminal sanctions in their national law by 3 July 2016. Where they s
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