decis march bar time claim respect levi provid articl treati high author regard articl treati regard decis decemb determin mode assess collect levi provid articl treati offici journal ecsc decemb amend supplement decis june offici journal ecsc august decis novemb offici journal ecsc novemb decis no januari offici journal european commun januari pp procedur levi payer releas debt public author claim extinguish expiri period limit base principl law common member state provid legisl public financ state mode releas introduc levi product principl underli bar claim time justifi levi product applic ground discontinu suspens provid decis appear reason equit period limit take account high author fix year extend year case parti levi payabl omit declar product wilfulli neglig made declar incomplet inaccur consult council minist decid articl claim high author respect levi product bar period year absenc declar product event incomplet inaccur declar made wilfulli neglig period limit year effect expiri period limit claim extinguish articl period limit run dai juli month payment levi fall due articl period limit discontinu dispatch regist post acknowledg receipt letter formal requir undertak time limit declar product correct declar previous made pai amount declar fix due author notifi undertak high author intent carri verif inform undertak high author accord time limit payment servic undertak enforc decis court relat levi measur execut undertak pursuant decis undertak renounc part period limit run acknowledg debt part undertak period limit discontinu period limit begin run dai juli act discontinu period articl month period limit pursu recoveri debt respect levi reason forc majeur imposs aris legal ground run period limit suspend end dai obstacl recoveri ceas effect articl provis decis appli sum due respect levi product princip increas delai payment interest articl decis publish offici journal european commun enter forc april decis consid adopt high author meet march high author presid dino del bo