commiss direct ec decemb adapt technic progress council direct eec relat permiss sound level exhaust system motor vehicl text eea relev commiss european commun regard treati establish european commun regard council direct eec februari approxim law member state relat type approv motor vehicl trailer amend european parliament council direct ec articl thereof regard council direct eec februari approxim law member state relat permiss sound level exhaust system motor vehicl amend commiss direct ec articl thereof framework ec type approv exhaust system separ technic unit replac exhaust system appear extrem difficult select vehicl meet current requir adapt definit repres vehicl ensur submit vehicl compli conform product requir relat permiss sound level refer introduc council direct eec amend direct eec requir updat measur provid direct accord opinion committe adapt technic progress set direct eec adopt direct articl annex ii iii direct eec amend accord annex direct articl effect april member state ground relat permiss sound level exhaust system refus grant ec type approv nation type approv respect type vehicl type exhaust system prohibit registr sale entri servic vehicl sale entri servic exhaust system vehicl exhaust system meet requir direct eec amend direct effect octob member state longer grant ec type approv refus grant nation type approv type vehicl type exhaust system requir direct eec amend direct fulfil notwithstand paragraph purpos replac part member state continu grant ec type approv permit sale entri servic exhaust system accord previou version direct eec provid exhaust system intend fit vehicl compli requir direct applic vehicl regist articl member state bring forc law regul administr provis compli direct march forthwith inform commiss thereof appli provis effect april member state adopt provis refer direct accompani refer occas offici public member state determin refer made member state commun commiss text main provis nation law adopt field cover direct articl direct enter forc dai public offici journal european commun articl direct address member state brussel decemb commiss erkki liikanen member commiss oj oj oj oj oj annex annex ii direct eec amend item replac quot vehicl repres type system fit meet requir item annex iii part quot item ad quot exhaust system carefulli instal vehicl check complet exhaust system notic leak instal quot annex iii direct eec amend part item word quot pursuant section annex quot replac quot pursuant item annex quot part ii item word quot pursuant section annex ii quot replac quot pursuant item annex ii quot