Article 39 of the Treaty of Accession of Bulgaria and Romania to the European Union provides that in the event of a serious risk of a state being manifestly unprepared to meet the requirements of membership by 1 January 2007, the Council may postpone the date of accession by one year.
Tas savukārt uzlabos darbaspēka un studentu mobilitāti, ļaujot eiropiešiem labāk izmantot Eiropas Savienības piedāvātās brīvības un tiesības.