California Code, Business and Professions Code - BPC § 2112

(a) Physicians who are not citizens and who seek postgraduate study, may, after application to and approval by the board, be permitted to participate in a fellowship program in a specialty or subspecialty field, providing the fellowship program is given in a hospital in this state which is approved by the Joint Commission and providing the service is satisfactory to the board. Such physicians shall at all times be under the direction and supervision of a licensed, board-certified physician and surgeon who is recognized as a clearly outstanding specialist in the field in which the foreign fellow is to be trained. The supervisor, as part of the application process, shall submit the supervisor's curriculum vitae and a protocol of the fellowship program to be completed by the foreign fellow. Approval of the program and supervisor is for a period of one year, but may be renewed annually upon application to and approval by the board. The approval may not be renewed more than four times. The board may determine a fee, based on the cost of operating this program, which shall be paid by the applicant at the time the application is filed.

(b) Except to the extent authorized by this section, no such visiting physician may engage in the practice of medicine or receive compensation therefor. The time spent under appointment in a medical school pursuant to this section may not be used to meet the requirements for licensure.

(c) Nothing in this section shall preclude any United States citizen who has received their medical degree from a medical school located in a foreign country from participating in any program established pursuant to this section.

(d) The permit authorized by this section may be canceled in the following circumstances: