[Oling_Roachinen]

For the record:

Originally Posted by Rule 83

A player is on-side when either of his skates are in contact with, or
on his own side of the line, at the instant the puck completely crosses
the leading edge of the blue line regardless of the position of his stick.
However, a player actually controlling the puck who shall cross the
line ahead of the puck shall not be considered “off-side,” provided he
had possession and control of the puck prior to his skates crossing the
blue line.