California Code, Labor Code - LAB § 7991

(a) To obtain a license under Section 7990, and to renew that license, a person shall pass an oral and written examination given by the division.  The division shall offer the examination in Spanish, or any other language, when requested by the applicant.  The division shall administer an examination orally when requested by an applicant who cannot write. Licenses shall be renewable every five years.

(b) The division shall set a nonrefundable fee for processing applications for licenses required by Section 7990 and a fee for administering examinations under this section.  In fixing the amount of these fees, the division may include direct costs and a reasonable percentage attributable to the indirect costs of the division for administering this chapter.  Those fees shall be deposited into the Occupational Safety and Health Fund.