my understanding of the goalie in the crease rule was when there was a altercation or fight, that then the goalie couldn't leave the crease unless given permission.
And even then if the fight was in your crease you can leave without permission...
Under Goal keepers penalties in the USA Hockey rule book
(d) A minor penalty shall be imposed on a goalkeeper who leaves
the immediate vicinity of his crease during an altercation.
from rule 613 fighting
(f) When an altercation occurs on the ice, at the signal of the
Referee, all players (nonparticipant), excluding goalkeepers,
must proceed immediately and directly to their respective
players’ bench. Goalkeepers must remain in the immediate
vicinity of their goal crease. See Rule 407(d) (Goalkeeper’s
Penalties). A minor penalty shall be assessed to any player,
excluding goalkeepers, who fails to move to the players’
bench when so instructed by the Referee.
Those were the only goalie leaving the crease refrences in the book
http://edit.usahockey.com/servlets/F...20Rulebook.pdf