California Code, Business and Professions Code - BPC § 1000-7

One form of certificate shall be issued by the board of chiropractic examiners, which said certificate shall be designated “License to practice chiropractic,” which license shall authorize the holder thereof to practice chiropractic in the State of California as taught in chiropractic schools or colleges; and, also, to use all necessary mechanical, and hygienic and sanitary measures incident to the care of the body, but shall not authorize the practice of medicine, surgery, osteopathy, dentistry or optometry, nor the use of any drug or medicine now or hereafter included in materia medica.