decis ec turkei custom cooper committe juli accept proof commun turkish origin movement certif eur invoic declar issu countri sign preferenti agreement commun turkei ec custom cooper committe regard agreement septemb establish associ eec turkei regard decis ec turkei associ council decemb implement final phase custom union articl thereof decis ec turkei custom cooper committe lai detail rule applic decis proof condit implement provis free circul industri product commun turkei met provid movement certif tr commun turkei sign preferenti agreement european countri bulgaria czech republ estonia hungari iceland latvia lithuania norwai poland romania slovakia slovenia switzerland agreement preferenti origin proven movement certif eur invoic declar product commun turkish origin mean aforement agreement export commun turkei countri refer process undergon minim oper turkei commun countri issu product question movement certif eur invoic declar state commun turkish origin circumst commun turkei grant preferenti tariff treatment provid decis decid articl product cover decis ec turkei associ council origin commun mean agreement sign bulgaria czech republ estonia hungari iceland latvia lithuania norwai poland romania slovakia slovenia switzerland receiv preferenti tariff treatment provid decis turkei accompani movement certif eur invoic declar issu countri state commun origin product cover decis ec turkei associ council origin turkei mean agreement sign bulgaria czech republ estonia hungari iceland latvia lithuania norwai poland romania slovakia slovenia switzerland receiv preferenti tariff treatment provid decis commun accompani movement certif eur invoic declar issu countri state turkish origin articl decis enter forc dai adopt ankara juli custom cooper committe presid onal oj oj