(NORMS REGARDING THE MANNER OF PROCEEDING
IN THE DISCERNMENT OF PRESUMED
APPARITIONS OR REVELATIONS ; CONGREGATION FOR THE DOCTRINE OF THE FAITH)  link.

1. Above all, the duty of vigilance and intervention falls to the Ordinary of the place. ( bischop )

2. The regional or national Conference of Bishops can intervene:

a) If the Ordinary of the place, having done his part, turns to it to judge the matter with greater certainty;

b) If the matter pertains to the national or regional level; always, however, with the prior consent of the Ordinary of the place.

3. The Apostolic See can intervene if asked either by the Ordinary himself, by a qualified group of the faithful, or even directly by reason of the universal jurisdiction of the Supreme Pontiff (cf. infra, no. IV).