Article 1 
The European Union shall apply UNECE Regulation No 9 Uniform provisions concerning the approval of category L 2 , L 4 and L 5 vehicles with regard to sound emission, UNECE Regulation No 63 Uniform provisions concerning the approval of L 1 category vehicles with regard to sound emission and UNECE Regulation No 92 Uniform provisions concerning the approval of non-original replacement exhaust silencing systems (NORESS) for vehicles of categories L 1 , L 2 , L 3 , L 4 and L 5 with regard to sound emission.
Article 2 
This Decision shall be notified by the Commission to the Secretary–General of the United Nations.
Article 3 
This Decision is addressed to the Commission.