Member States shall lay down rules on penalties applicable to infringements of the national law transposing this Directive and shall take all necessary measures to ensure that they are implemented. Such penalties shall be effective, proportionate and dissuasive.

Member States shall allow their competent authorities to disclose to the public any administrative penalty that is 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.