NO - Teams do not have to be registered in order to "enter" a tournament (see adult or junior schedules for posted deadlines). Teams and individuals just have to be registered for a specific tournament at least ONE week before participating (see related question in FAQ). Teams and individuals should also keep in mind that they must play in a minimum number of regular season tournaments to be eligible for Regionals (see related question in FAQ). Individual players must play in two (2) tournaments to be eligible to participate in a Regional Championship event. Team rosters for all divisions are frozen 7 days before any Regional Championship event.