council resolut computer administr procedur intra commun trade council european commun regard treati establish european econom commun regard propos submit commiss strengthen intern market undertak council meet novemb action orient coordin develop computer administr procedur commun facilit intra commun trade awar strengthen intern market note effort harmon taxat rule made abolish administr formal trade member state steamlin formal make effect contribut strengthen intern market computer administr procedur facilit streamlin long mainten formal continu justifi intra commun trade member state begun computer administr procedur action encourag modern data process techniqu make reduc consider length cost procedur undertak author system concern dispar stage develop present mutual compat order give full effect develop computer nation comput system link exchang data organ administr system link undertak privat system coordin develop nation procedur organ end link effect speed formal relat check coordin develop computer procedur link constitut import element commun infrastructur aim facilit intra commun trade combat fraud oper benefici effect commun comput industri oper medium term object technic work enabl substanti progress made suffici futur begin delai establish maximum list data request member state intra commun trade constitut fundament step process computer awar develop dataprocess document trade member state effort made wait computer simplifi document basi commiss propos introduct quot singl document quot call member state expand computer administr procedur applic trade close collabor commiss agre effect computer exchang data gradual link comput aforement procedur ask commiss continu work submit octob take account characterist member state propos creation commun data process framework work programm precis timet