It is up to the Council and the Commission to negotiate with the applicant countries and to set the date of accession, but MEPs monitor the procedure until the very day of the accession to make sure that all the conditions for membership of the EU are met.
Is faoin gComhairle agus an Coimisiún atá sé dul i mbun caibidlíochta leis na tíortha iarrthacha, ach déanann na Feisirí Eorpacha faireachán ar an nós imeachta go dtí lá an aontachais féin lena chinntiú go gcomhlíontar na coinníollacha go léir atá leagtha síos leis an gConradh.