Penalty Enforcement 10-4
.The basic spot for enforcement of penalties for fouls behind the line of scrimmage is the previous spot rather than the spot the foul
Situation
First and 10 at the team A's 20 yardline. A1 is flagged for holding at team A's 10 yardline.
Ruling:
Enforce the penalty from the previous spot. If accepted, it will be first and 20 from team A's 10 yardline.