ART. 1 . . . A player is out of bounds when he/she touches the floor, or any object other than a player/person, on or outside a boundary. For location of a player in the air, see 4-35.
ART. 2 . . . The ball is out of bounds:
a. When it touches or is touched by:
1. A player who is out of bounds.
2. Any other person, the floor, or any object on or outside a boundary.
3. The supports or back of the backboard.
4. The ceiling, overhead equipment or supports.
b. When it passes over a rectangular backboard.