No Member State may refuse to grant EEC type approval or national type approval of a vehicle on grounds relating to the device to prevent unauthorized use if such device meets the requirements set out in Annex I. Article 3 No Member State may refuse or prohibit the sale , registration , entry into service or use of any vehicle on grounds relating to the device to prevent unauthorized use if such device meets the requirements set out in Annex I. Article 4 The Member State which has granted type approval shall take the necessary measures to be informed of any modification of a part or characteristic referred to in item 2.2 . of Annex I.