RULE NO. 10—VIOLATIONS AND PENALTIES
Section IV—Thrower-in
a. A thrower-in shall not (1) carry the ball onto the court; (2) fail to release the ball within 5 seconds; (3) touch it on the court before it has touched another player; (4) leave the designated throw-in spot; (5) throw the ball so that it enters the basket before touching anyone on the court; (6) step over the boundary line while inbounding the ball; (7) cause the ball to go out-of-bounds without being touched inbounds; (8) leave the playing surface to gain an advantage on a throw-in.
b. After a team has designated a player to throw the ball in, there shall be no change of player (or his substitute) unless a regular or 20-second timeout has subsequently been called.
PENALTY: Loss of ball. The ball is awarded to the opponent at the original spot of the throw-in.
