1. In the event of a trial of a case pursuant to paragraphs 2 and 3 of Article 1 of this Statute, or to consider the referral of such a case to a national jurisdiction, the President shall appoint three judges from the roster to compose a Trial Chamber and the Presiding Judge from amongst their number to oversee the work of that Trial Chamber. In all other circumstances, including trials pursuant to paragraph 4 of Article 1 of this Statute, the President shall appoint a Single Judge from the roster to deal with the matter.