Section 650-2-2-7 - MouthpiecesA. All boxers are required to wear a custom-made and individually fitted mouthpiece during competition. The mouthpiece shall be subject to examination and approval by an attending physician.B. A round cannot begin without boxers' mouthpieces in place.C. If a mouthpiece is accidently dislodged during competition, without interfering with the immediate action, the referee shall call time, and the boxer or a cornerperson may clean and re-insert the mouthpiece.99- 650 C.M.R. ch. 2, § 2-7