 Prior to the 2004 college football season, the ACC requested a waiver to the NCAA's rule requiring conferences to have 12-plus teams before having a conference championship game.Before the season began, however, the NCAA rejected the ACC's application, and the league had to use a semi-round-robin format to select a champion during the 2004 football season.After that season, the inclusion of Boston College as the ACC's 12th team solved the problem of enabling the ACC to have a championship football game.