This will differ from GM of the Year. GM will focus on the moves made throughout the season. Coach will focus on how the team performed compared to how they should have (showing that the person gameplanned well and was able to get the most out of his team).
Anybody who submits a nomination can claim 1 point (excluding self-nominations)
Max is 1 point, even if you submit nominations in other categories
Winning nomination gets an additional point like last season
Submit your nomination by the due date and time of sim 12