President’s Cup details are pretty simple;
Finish in top 15 for your class (pretty much means everyone).
Order NJ Jersey.
Show up and race for NJ at President’s Cup.
Get check back for jersey cost and your entry fee for the race.
Used to be that you picked up your Jersey at the President’s Cup and your uncashed check was in the bag with it. Then you would get a check in the mail after the race for your entry fee.
Left over jerseys were then sold on a first come first served basis.