Article 66 1.

Without prejudice to paragraph 2 of this Article, the Member States shall lay down the rules on penalties applicable to infringements of this Regulation, the network codes adopted pursuant to Article 59, and the guidelines adopted pursuant to Article 61 and shall take all measures necessary to ensure that they are implemented. The penalties provided for shall be effective, proportionate and dissuasive. Member States shall, without delay, notify the Commission of those rules and of those measures and shall notify it without delay of any subsequent amendment affecting them.