At one time as many as three entities decided which works to ban ​ — the Congregation of the Holy Office, the Congregation of the Index, and the master of the sacred palace, a papal dignitary.
Pada suatu waktu, ada sebanyak tiga badan yang memutuskan karya mana yang dilarang ​ — Kongregasi Ofisi Kudus, Kongregasi Indeks, dan ketua istana suci, seorang petinggi kepausan.