decis juli busi book account document undertak produc inspect offici agent high author carri check verif price high author regard articl treati establish european coal steel commun task high author ensur object set treati attain undertak fulfil oblig impos provis treati decis applic thereof fulfil task price entail check verif undertak record check verif effect fact transact constitut sourc inform high author ascertain busi book account document undertak produc inspect offici agent high author busi book account document inform need check effect rule relat price compli check verif enabl offici agent high author determin sale articl treati irregular turnov undertak mean articl treati member state enact law regul impos undertak oblig regular account law regul provid imposit penalti requir high author prejudic oblig undertak make high author purpos check verif busi book account document need high author fulfil task prevent undertak evad effect verif alleg possess account busi record regard articl treati make obligatori undertak busi book support document made person entrust high author carri check verif notwithstand oblig impos undertak nation law respect account decis bind undertak item shown account undertak make sale invoic document requisit inform purpos effect verif limit set length time undertak retain busi record bear mind task high author necessit investig made price decid articl undertak make offici agent high author carri check verif price busi book account document includ record order relat correspond file permit check respect sale copi invoic written record establish account purpos item inform address purchas natur qualiti quantiti product sold date invoic deliveri price condit sale document file enabl entri account check sale journal account document sale enter chronolog order show date contract sale custom invoic number amount payabl cash book record chronolog order receipt payment date name purchas amount enabl cash balanc check time statement account document relat bank account postal chequ account separ financi establish chronolog order enabl balanc check time statement receipt bill abstract account relat payment receipt file enabl cash book mention subparagraph verifi account individu custom record date amount due paid custom separ account custom amount date record sale journal document mention subparagraph articl undertak produc inspect offici agent high author entrust task check verif busi book account document current calendar year preced calendar year articl undertak evad oblig decis liabl penalti provid paragraph articl treati articl decis publish offici journal european commun enter forc novemb decis consid adopt high author meet juli high author presid dino del bo