Po njihovom ulasku u EU u januaru 2007, EK je za Rumuniju i Bugarsku uvela takozvani Mehanizam saradnje i verifikacije (CVM) za mjerenje njihovog napretka u ispunjavanju obaveza u tim oblastima.
Upon their EU entry in January 2007, the EC imposed the so-called Co-operation and Verification Mechanism (CVM) on Romania and Bulgaria to measure their progress in meeting commitments in those areas.