California Code, Business and Professions Code - BPC § 18712

(a) Notwithstanding any other provision of law, any person applying for a license or the renewal of a license as a professional boxer or as a professional martial arts fighter shall present documentary evidence satisfactory to the commission that the applicant has been administered a test, by a laboratory in the United States that possesses a certificate under the Clinical Laboratory Improvement Act (42 U.S.C. Sec. 263a), to detect the presence of antibodies both to the human immunodeficiency virus (HIV) and to hepatitis C virus (HCV) and to detect the presence of the antigen of hepatitis B virus (HBV) within 30 days prior to the date of the application and that the results of all three tests are negative.A negative report for all three tests shall also be required of a professional boxer or professional martial arts fighter prior to competing in a match that will occur 180 days or more after the date of the tests submitted for the issuance or renewal of his or her license.

(b) Information received under this section and any other medical information about an applicant or licensee shall be confidential and not subject to discovery or subpoena. If the commission denies a license or the renewal of a license or suspends or revokes a license because of a licensee's HIV or HCV antibody status or HBV antigen status, it shall state only that the action was taken for medical reasons. An applicant or licensee may appeal the commission's denial, suspension, or revocation of a license under this section. The commission shall notify each person in writing of his or her right to a closed hearing for that appeal. An applicant or licensee must make a request for a hearing to the commission within 30 days of receiving notification from the commission of the applicant's or licensee's right to a hearing.