If the puck is caught and dropped immediately, play shall continue; if not, pla y shall be stopped. If the hand is closed on the puck (on or off the ice) and the puck is thrown, a minor penalty shall be assessed. Rule 6-19 Hitting after the whistle... A minor penalty shall be imposed on a player who makes physical contact with an opponent, including t he goalkeeper, anywhere on the rink after the whistle (see rule 6-6) Any one of the five disqualified players may be assessed more than one disqualification penalty after the altercation. Rule 6-42-c Start of Game and Periods...Pregame warm-ups shall not exceed 15 minutes.