council regul eec februari compil statist foreign worker council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe statist made number foreign worker employ worker member state commun adopt regul articl member state respect worker nation member state countri compil statist number worker employ worker concern territori year statist compris inform nation sex ag branch activ occup group region member state compil statist year sourc social secur data census statist suppli employ resid work permit articl entri forc regul member state forward commiss data inform refer articl maximum period year entri forc regul member state forward commiss data inform refer articl member state forward data commiss state sourc articl implement regul member state collabor close commiss member state inform commiss march year progress made appli subparagraph articl commiss report council basi inform obtain articl regul enter forc dai month public offici journal european commun regul bind entireti directli applic member state brussel februari council presid thorn oj oj