decis februari interpret articl regul eec articl regul eec relat increas unemploy benefit depend member famili administr commiss european commun social secur migrant worker regard articl regul eec made respons deal question interpret aris provis regul regul eec decis publish offici journal european commun march render unvalid entri forc regul eec no take account provis regul ground adopt decis fact essenti arrear increas unemploy benefit depend member famili paid period prior date submiss certifi statement relat member famili resid territori member state compet institut situat time person depend worker start period unemploy benefit payabl virtu articl regul eec legisl member state amount unemploy benefit vari number member famili compet institut consider calcul benefit number member famili resid territori member state compet institut situat provis articl regul eec order benefit aforement provis articl regul eec worker submit compet institut certifi statement relat member famili resid territori member state compet institut situat certifi statement issu institut design compet author countri member famili resid valid month date issu object provis regul eec lai procedur implement regul eec provis effect restrict entitl worker deriv provis regul eec period valid certifi statement laid articl regul eec subject modif relat depend member famili occur issu certifi statement worker notifi delai compet institut mean depend assum remain unchang period month start issu certifi statement impli depend consider start period unemploy benefit payabl certifi statement drawn accord model laid administr commiss mean proof right worker issu constitut condit acquisit right certifi statement relat member famili resid territori member state compet institut situat issu start period unemploy benefit payabl deliber light condit laid articl regul eec decid issu certifi statement drawn start period unemploy benefit payabl effect postpon start acquisit entitl unemploy benefit increas rate depend member famili determin accord legisl compet countri decis publish offici journal european commun appli founder member state octob accord treati access april member state presid administr commiss doni