out of bounds pass

[Adam]

Originally Posted by representing

Yes, player has to step out of bounds first before receiving a pass. If player is in the air and receives the pass before landing out of bounds, it's a legal throw-in and the player stepped out of bounds.

Originally Posted by Nevadaref

Are you sure about that? Let's specify that the passed ball remains on the OOB side of the end line boundary.

Note what he highlighted.
Let me provide a play for you:
End line throwin, A1 throws a pass to A2, who is standing in bounds. The ball never crosses the OOB plane, but A2 reaches across while standing in bounds and catches the thrown ball.