Dette sker for at sikre , at omregningskurserne bliver gældende fra det øjeblik , de deltagende medlemsstaters nationale valutaer erstattes med euroen , som fastsat i Rådets forordning ( EF ) nr. 974/98 af 3 . maj 1998 om indførelse af euroen .
This is to ensure that the conversion rates are effective at the same moment as the substitution of the euro for the national currencies of the participating Member States as laid down in Council Regulation ( EC ) No 974/98 of 3 May 1998 on the introduction of the euro .