in game play, the acha follows the ncaa rulebook for ice hockey. for interconference games, the pac-8 mostly follows the same rules for game times and structure. a notable difference is in cases of a tie game after regulation and a 5-minute sudden-death overtime period. if a winner is not determined in overtime, then a 5 man shoot-out will occur. during the conference championship tournament, overtime format is 20 minute sudden-death periods until a winner is determined.