paragraph 251 in volume 2, chapter 15, Advisory Jurisdiction
There is nothing in the Statute corresponding to Article 61 (relating to the revision of a judgment, see chapter 28, § III.397) for advisory opinions. The question of the Court’s power to revise an earlier opinion has not arisen in advisory proceedings. However, it has been raised in argument in subsequent contentious proceedings, and the Court has passed upon it in general terms. The argument has been based on the conditions imposed by Article 61 …