Wednesday, June 1, 2011 Referees will use all officially designated hand signals as means to properly communicate to scorekeepers/penalty trackers, skaters, announcers and fellow referees.

Roller derby venues can get loud. Depending on the size of the venue, and size of the crowd, even the outside pack refs may not be able to hear the inside pack and jam refs making calls. That would mean the benches, fans, announcers, and anyone else not in the infield can't hear them either. That is why all referees must use hand signals, so that everyone watching may understand what is happening when a call is being made.