A weigh-in shall be completed within 2 hours from the time of its commencement. If an amateur mixed martial arts contestant is not present at the weigh-in, the amateur mixed martial arts contestant may not be allowed to participate in the contest for which he or she was scheduled. At the weigh-in, if an amateur mixed martial arts contestant is over the allowable weight, a second weigh-in may be conducted not more than 1 hour after the initial weigh-in. An amateur mixed martial arts contestant may not be permitted to lose more than 2 pounds between the first and second weigh-in. If an amateur mixed martial arts contestant does not make weight or fails to attend the weigh-in, the contest in which the amateur mixed martial arts contestant was scheduled to participate shall be canceled.