Canon 1439

Can. 1439 §1. If a single tribunal of first instance has been established for several dioceses according to the norm of can. 1423, the conference of bishops must establish a tribunal of second instance with the approval of the Apostolic See unless the dioceses are all suffragans of the same archdiocese.

Can. 1439 §2. With the approval of the Apostolic See, a conference of bishops can establish one or more tribunals of second instance in addition to the cases mentioned in §1.

Can. 1439 §3. Over the tribunals of second instance mentioned in §§1-2, the conference of bishops or the bishop it designates has all the powers which a diocesan bishop has over his own tribunal.