1. Member States shall lay down the rules on penalties applicable to infringements of this Regulation, the network codes and guidelines adopted pursuant to Articles 70 to 74 and the guidelines laid down in Annex I 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.