D.C. Mun. Regs. tit. 19, r. 19-2053
No person shall compete in a professional or amateur mixed martial arts event without a mixed martial arts license issued pursuant to this chapter.
An applicant for a mixed martial arts license shall prove to the satisfaction of the Commission that the applicant is at least eighteen (18) years old. However, the Commission may waive this requirement with the written consent of the parents or legal guardian of the applicant.
An applicant for a license under this section shall pass a physical examination conducted by a physician approved by the Commission who is licensed to practice medicine in the District. The physical examination consists of any tests and procedures that the Commission deems necessary to protect the health and safety of contestants, including a basic physical examination, an electroencephalogram (EEG), a computerized axial tomography (CAT) scan, and an opthalmological examination. The Commission shall include the results of the examination on the licensee's passport.
D.C. Mun. Regs. tit. 19, r. 19-2053