(a) The times and places of all weighing in ceremonies shall be as determined by the commission and all participants shall be weighed in on scales approved by the commission and in the presence of their opponent and representatives of the commission, unless otherwise directed or authorized by the commission. In the event of a postponement of a contest or exhibition for more than 24 hours for any reason, a second weigh-in and additional physical examination may be required by the commission on the day of or day prior to the date to which the contest or exhibition has been adjourned.

(b) Except as otherwise directed by the commission, the weight classes for contestants competing in professional mixed martial arts contest or exhibitions are as follows:

(c) In non-championship matches there shall be a one pound weight allowance from the specified contract weight. In championship matches the participants must weigh no more than the maximum weight allowed for the relevant weight class.

(d) The commission may, in its discretion, waive the maximum weight difference allowance as provided in subdivision (b) of this section, so long as the official weight of both competitors is within the same weight class and both competitors consent to the waiver in writing.