End of game foul

Originally Posted by APG

I would say in situation one, you only wipe the shot off if you don't have definite knowledge of how much time should be on the clock at the time of the foul. Otherwise if you do (have knowledge), put that time back on the clock and count the basket if applicable.

Correct, I was envisioning the situation in the OP being so close that the timer didn't have time to stop the clock, but it was clear that the horn went off before the shot. Unless you have definite (read: looking at the clock) knowledge of the time left, you can't put time back on the clock.