commiss direct march amend council direct eec harmon provis laid law regul administr action relat exempt turnov tax excis duti import intern travel account introduct combin nomenclatur eec commiss european commun regard treati establish european econom commun regard council regul eec juli tariff statist nomenclatur common custom tariff amend regul eec articl thereof classif good list articl council direct eec amend direct eec base nomenclatur custom cooper council custom cooper council approv intern convent harmon commod descript code system hereinaft refer hs convent approv council decis eec appli januari combin nomenclatur establish give effect hs european econom commun refer articl direct eec combin nomenclatur adapt direct eec combin nomenclatur involv pure technic amend alter scope direct adopt direct articl articl direct eec refer head no common custom tariff replac refer cn code articl member state bring forc measur compli direct juli inform commiss thereof immedi articl direct address member state brussel march commiss christian scriven member commiss oj oj oj oj oj