California Code, Business and Professions Code - BPC § 3600-2

The Osteopathic Medical Board of California shall enforce those portions of the Medical Practice Act identified as Article 12 (commencing with Section 2220), of Chapter 5 of Division 2 of the Business and Professions Code, as now existing or hereafter amended, as to persons who hold certificates subject to the jurisdiction of the Osteopathic Medical Board of California, however, persons who elect to practice using the term or suffix “M.D.” as provided in Section 2275 of the Business and Professions Code, as now existing or hereafter amended, shall not be subject to this section, and the Medical Board of California shall enforce the provisions of the article as to persons who make the election. After making the election, each person so electing shall apply for renewal of his or her certificate to the Medical Board of California, and the Medical Board of California shall issue renewal certificates in the same manner as other renewal certificates are issued by it.