California Code, Business and Professions Code - BPC § 1000-15

Any person who shall practice or attempt to practice chiropractic, or any person who shall buy, sell or fraudulently obtain a license to practice chiropractic, whether recorded or not, or who shall use the title “chiropractor” or “D.C.” or any word or title to induce, or tending to induce belief that he or she is engaged in the practice of chiropractic, without first complying with the provisions of this act; or any licensee under this act who uses the word “doctor” or the prefix “Dr.” without the word “chiropractor,” or “D.C.” immediately following his or her name, or the use of the letters “M.D.” or the words “doctor of medicine,” or the term “surgeon,” or the term “physician,” or the word “osteopath,” or the letters “D.O.” or any other letters, prefixes or suffixes, the use of which would indicate that he or she was practicing a profession for which he or she held no license from the State of California, or any person who shall violate any of the provisions of this act, shall be guilty of a misdemeanor and upon conviction thereof shall be punished by a fine of not less than one hundred dollars ($100) and not more than seven hundred fifty dollars ($750), or by imprisonment in the county jail for not more than six months, or by both fine and imprisonment.