Article 31 1.

Without prejudice to the supervisory powers of competent authorities and the right of Member States to provide for and impose criminal sanctions, Member States shall ensure that their competent authorities may impose administrative sanctions and other measures applicable to all infringements of the national provisions implementing this Directive, and shall take all measures necessary to ensure that they are implemented. Member States shall ensure that their administrative sanctions and other measures are effective, proportionate and dissuasive.