Member States shall lay down the rules on sanctions applicable to infringements of the national provisions adopted on the basis of this Directive and shall take all measures necessary to ensure that they are implemented. Those sanctions shall be effective, proportionate and dissuasive.

Member States shall provide that the competent authority may disclose to the public any administrative sanction that will be imposed for infringement of the measures adopted in the transposition of this Directive, unless such disclosure would seriously jeopardise the financial markets or cause disproportionate damage to the parties involved.