12 men on the field - deadball?

[KWH]

Originally posted by devdog69
He was referring to his white hat blowing the whistle as the kick is up and headed towards the uprights not at the snap. This is SOP around here on PAT's.

I agree with and use your SOP on all my PAT's.
Unless I read it wrong my understanding was the White Hat "shut the play down" concurent with the snap due to 12 on defense, enforced the penalty, and replayed the try.
Such action would be incorrect!