Rule 2 – Section 27 – Article 15 – Player Out of Bounds and In Bounds

a. Out of Bounds

1. A player is out of bounds when any part of his body touches anything other than another player or a game official on or outside a boundary line.
2. An out-of-bounds player who becomes airborne remains out of bounds until he touches the ground in bounds without simultaneously being out of bounds.

b. In Bounds

1. An inbounds player is a player who is not out of bounds.
2. An inbounds player who becomes airborne remains in bounds until he is out of bounds.