End of game sitch

[Nevadaref]

Originally Posted by Camron Rust

To be fair, the ball might be dead....if the player grabbed the ball as it fell through the net and tossed it to the official before stepping OOB for the throwin and in such a way (quickly) such that the official didn't yet consider it to be at the thrower's disposal.

Camron,
The OP was very clear and specific.

Originally Posted by Ch1town

Team A is down 4 points with less than 15 seconds on the game clock. A2 scores on a 3 point try... Team A is now down by 1. Team B delays in picking up the ball, the official begins his 5 second count. B1 sees the count, picks up the ball & tosses it to the official.
What would you do?

Any casebook play provided would be greatly appreciated. Thanks!

Do you think that the official didn't consider it to be at the disposal?