Analysis of information sources in references of the Wikipedia article "Season structure of the NHL" in English language version.
A team shall be allowed to pull its goalkeeper in favor of an additional skater in the overtime period. However, should that team lose the game during the time in which the goalkeeper has been removed, it would forfeit the automatic point gained in the tie at the end of regulation play, except if the goalkeeper has been removed at the call of a delayed penalty against the other team.