In line with Article 121 , membership in ERM II for at least two years without severe tensions is one of the criteria for assessing whether a Member State has fulfilled the conditions for adopting the euro as its currency . ERM II therefore fosters convergence and helps the Member States outside the euro area in their efforts to adopt the euro .
Otsused keskkursside ja kõikumispiiride kohta võetakse vastu euroala riikide rahandusministrite , EKP ja vahetuskursimehhanismis osalevate euroalaväliste liikmesriikide keskpankade presidentide vastastikusel kokkuleppel .