Article 1 
Member States shall take the necessary measures, in accordance with their national law, to submit 4-methylmethcathinone (mephedrone) to control measures and criminal penalties, as provided for under their legislation complying with their obligations under the 1971 United Nations Convention on Psychotropic Substances.
Article 2 
This Decision shall enter into force on the day following its publication in the Official Journal of the European Union .