Hey Grady,
NFHS Rule 4.3.1
Exceptions 1: "In the event of an extra man situation the next period shall be commenced by awarding possession of the ball to the team that had possession of that ball at the conclusion of the prior period in the saem relative position on the field."
Man down team gets it.
Hope this helps.
justin "Barney" Clark
Bluegrass Lacrosse Officials Association
http://www.geocities.com/kylacrosse