NHL Rule Book - Scouting The Refs
scoutingtherefs.com › nhl-rulesSep 06, 2019 · The NHL rulebook has been updated for the 2020-21 season with only one update: a change to the offside rule. NHL Modifies Offside Rule to Extend Blueline to Vertical Plane Dec 22, 2020 The NHL has modified the offside rule to allow a player’s skate to be off the ice provided it has not cleared the vertical plane of the blue line.