 As a basic principle, teams from the same confederation could not be drawn against each other at the group stage, except in Group A where there are two teams from UEFA.As the CAF U-20 Championship was not completed at the time of the draw, a separate draw took place at the tournament's conclusion on 30 March in Oran, Algeria to determine the groups where the 2nd, 3rd and 4th placed CAF teams will play in.The 23 referee trios were announced by FIFA on 13 May 2013.