Contested by 16 clubs, it operates on a system of promotion and relegation with the Belgian Second Division.
kəntˈɛstᵻd baɪ sˈɪkstiːn klˈʌbz, ɪɾ ˈɑːpɚɹˌeɪts ˌɔn ɐ sˈɪstəm ʌv pɹəmˈoʊʃən ænd ɹˌɛlᵻɡˈeɪʃən wɪððə bˈɛldʒən sˈɛkənd dᵻvˈɪʒən.