Goaltending vs Basket Interference

[Nevadaref]

Originally Posted by BillyMac

A player cannot touch the ball, ring, or net while the ball is on the ring or within the basket. A player cannot touch the ball if it is in the imaginary cylinder above the ring. These are examples of basket interference. It is legal to touch the ring or the net if the ball is above the ring and not touching the ring, even if the ball is in the imaginary cylinder above the ring.

I've heard interpreters state that one of the unlisted attributes of goaltending is that the ball is outside the cylinder (along with try or tap, downward flight, above the basket ring level, and possibility of entering the basket).

Offensive basket interference or offensive goaltending: Signal # 13: No score.

Defensive basket interference or defensive goaltending: Signal # 14: Goal counts.

This post by BillyMac written very clearly and is 100% correct.
It should clarify this for you, and your assignor too!