guidelin european central bank februari amend guidelin ecb statist report requir european central bank procedur exchang statist inform european system central bank field govern financ statist ecb ec govern council european central bank regard statut european system central bank european central bank articl articl articl thereof articl council regul ec decemb amend regul ec qualiti statist data context excess deficit procedur inter alia revis deadlin report data context edp ensur consist deadlin european system account esa transmiss programm result revis member state oblig report data context edp april octob year eurosystem requir guidelin ecb februari statist report requir european central bank procedur exchang statist inform european system central bank field govern financ statist base reason consist esa statist standard deadlin articl guidelin ecb biannual report complet data set nation central bank ncb european central bank ecb revis accord articl articl statut ecb guidelin form integr part commun law adopt guidelin articl guidelin ecb amend articl replac quot ncb report complet data set year april octob quot annex iv amend word quot septemb quot head quot date transmiss quot column tabl entitl quot current data quot quot back data quot replac word quot octob quot articl guidelin enter forc dai adopt articl guidelin address ncb member state adopt euro frankfurt main februari govern council ecb presid ecb jean claud trichet oj council regul ec june european system nation region account commun oj regul amend regul ec european parliament council oj oj