[Nevadaref]

Originally Posted by Zoochy

(1) A1 has a baseline throw-in near the free throw lane. A2 catches the ball, near midcourt, while standing completely OOB along the sideline. Where is the throw-in?
Where A2 was. A2 violated not A1.

(2) A1 has a baseline throw-in near the free throw lane. A2 catches the ball, near midcourt, while 1 foot is touching the sideline. Where is the throw-in?
Where A2 was. A2 violated not A1.

(3) A1 has a baseline throw-in near the free throw lane. B2 catches the ball, near midcourt, while standing completely OOB along the sideline. Where is the throw-in?
Where B2 was. A1 did not violate.

(4) A1 has a baseline throw-in near the free throw lane. B2 catches the ball, near midcourt, while 1 foot is touching the sideline. Where is the throw-in?
Where B2 was. A1 did not violate.

In the first two cases, the real question is what violation did the player who stepped OOB commit 9-2-10, 9-2-12, or 9-3-2. In the final two cases 9-2-12 wouldn't apply, so the choice would be between the other two.