Throw In Part 2

[JugglingReferee]

Originally Posted by The_Rookie

Had 2 state finals officials DISAGREE on this scenario:

A1 on a throw in from end line..ball hits the bottom of the backboard?

Live Ball or dead ball (Throw in violation).

Thanks!

My interpretation is that if the ball hits the floor closer to the end line than the bottom of the backboatd when projected to the floor, it is deemed to have hit the back of the backboard and is therefore an illegal throw-in.