Normally, the candidate to be declaired holy must be credited with at least two miracles that he is said to have caused through his intercession. However, the Pope has the final say. In exceptional cases, he can also canonize people without proof of miracles. In the case of Pope John XXIII.26 Apr 2014 https://www.tagesschau.de/ausland/heiligsprechung-ts-102.html One …