AM will be running before the open. If there is a good reason someone is not there, a mashal should be notified. See Page 17 & 18 & 19 of your Rules. The Judges, FTC and Head Marshal makes those decisions. The open is important, but not any more important than the Am. Expediting the trail is most important along with fairness. If you have ever had to deal with sandbaggers, you will understand.