1.Member States shall take all necessary measures to ensure that the preparations covered by this Directive cannot be placed on the market unless they comply with it.
2.In order to ensure compliance with this Directive, the authorities of the Member States may request information on the composition of the preparation and any other pertinent information from any person responsible for placing the preparation on the market.
3.Member States shall take all necessary measures to ensure that those responsible for placing the preparation on the market hold at the disposal of the authorities of the Member States:
the data used for the classification and labelling of the preparation,
any pertinent information relating to packaging requirements in accordance with Article 9(1.3), including the test certificate issued in accordance with Part A of Annex IX to Directive 67/548/EEC,
the data used for establishing the safety data sheet, in accordance with Article 14.
4.Member States and the Commission shall exchange information concerning the name and full address of the national authority (authorities) responsible for communicating and exchanging information relating to the practical application of this Directive.