And even then, there is the question of whether the Pope can even judge himself, that if, does he have that power?Yes. Besides, it is also true that in the Catholic Church, a judgement that an individual has broken Church law is also made on the Pope’s authority, so nobody can judge the Pope, other than the Pope. So not only can he not break the law, but he would be the only one who could judge himself to have broken the law, so ultimately unless Pope Francis says that Pope Francis violated Pope Francis’s law, we just accept the change as lawful.
I would say no, since he is the source of the law’s authority, and as such, cannot be judged by his own laws in his own courts. From a legislative (not moral, as we all know) standpoint, as is the case in all monarchial systems, the Pope (as Sovereign) can do no wrong.