In other words, the scenario is this: you are in the holding because of fog at destination; after a while you have to decide if you want to divert or continue to hold using the alternate fuel (thus committing yourself to landing at destination
LEM - great to see you asking so many questions - they need to be asked.
Which bit of JAROPS is the 'quote' from please? It is the 'fog' bit that puzzles me! Ain't NO way I'm getting rid of MY alternate fuel then