California Code, Business and Professions Code - BPC § 2570.7

(a) An applicant who has satisfied the requirements of Section 2570.6 may apply for examination for licensure in a manner prescribed by the board. Subject to the provisions of this chapter, an applicant who fails an examination may apply for reexamination.

(b) Each applicant for licensure shall successfully complete the entry level examination for occupational therapists or occupational therapy assistants, such as the examination administered by the National Board for Certification in Occupational Therapy, the American Occupational Therapy Certification Board, or the American Occupational Therapy Association. The examination shall be appropriately validated. Each applicant shall be examined by written examination to test his or her knowledge of the basic and clinical sciences relating to occupational therapy, occupational therapy techniques and methods, and any other subjects that the board may require to determine the applicant's fitness to practice under this chapter.

(c) Applicants for licensure shall be examined at a time and place and under that supervision as the board may require.