California Business And Professions Code Section 2184

(a) Each applicant shall obtain on the written examination a passing score, established by the division pursuant to Section 2177. (b) Passing scores on a written examination shall be valid for a period of 10 years from the month of the examination for purposes of qualification for licensure in California. This period of validity may be extended by the division for good cause and for time spent in a postgraduate training program, including, but not limited to, residency training, fellowship training, remedial or refresher training, or other training that is intended to maintain or improve medical skills. Upon expiration of the 10-year period plus any extension granted by the division, the applicant shall pass the Special Purpose Examination of the Federation of State Medical Boards or a clinical competency written examination determined by the division to be equivalent. This subdivision applies to all passing scores achieved in a written examination for a physician`s and surgeon`s certificate conducted by the division.