A chapter is said to be closed when both sides have agreed it has been implemented sufficiently, however it can still be re-opened if the Commission feels that the candidate has fallen out of compliance.
Sebuah bab dikatakan boleh ditutup ketika kedua pihak telah setuju bahwa kriteria telah dilaksanakan, namun masih bisa dibuka kembali jika Komisi merasa kandidat tersebut masih kurang patuh.