[Scooby]

Originally Posted by Mark Dexter

The official signal is, as Bob Jenkins said, #3 - the thumbs up.

However, I've had several evaluators (camps & otherwise) who say to give the open-palm stop clock signal, then give the thumbs up for a held ball. They say that it can reduce problems if you have a double whistle and your partner thinks there was a violation or foul before the held ball.

That said, do what's accepted in your area.

An official gave me the same rationale last night. But my question is, what is the Federation mechanics?