Twenty-one Canadian officials from eight provinces, as well as four international delegates, are in Moncton, New Brunswick, for the Hockey Canada Le... Looking attentively at certain indicators within the player's movements is one of the finest methods to learn what an official is looking for. The very first ac... In each game, the National Hockey League (NHL) employs four on-ice officials: two referees and two linesmen. Referees are distinguished by red or orange armbands. An official in ice hockey is in charge of enforcing the rules and keeping order. On-ice officials are present on the ice during the game and often wear a shirt with vertical black and white stripes.