The Treaty on the Functioning of the European Union (TFEU) allows the adoption of specific measures in the euro area which go beyond the provisions applicable to all Member States, for the purpose of ensuring the proper functioning of the economic and monetary union.
Ceadaítear leis an gConradh ar Fheidhmiú an Aontais Eorpaigh (CFAE) bearta sonracha a ghlacadh sa limistéar euro, ar bearta iad a théann thar na forálacha is infheidhme maidir leis na Ballstáit uile, chun oibriú rianúil an aontais eacnamaíoch agus airgeadaíochta a áirithiú.