2005 California Business and Professions Code Sections 20705 Article 5. Exemptions

20705.  This act shall not prohibit:
   (a) Any person legally regulated in this state under any other
licensing act or regulation from engaging in the activities permitted
under his or her license, provided he or she does not represent
himself or herself as a certified industrial hygienist or CIH.
   (b) Professional experience or apprenticeship performed in order
to meet certification requirements in this chapter.
   (c) The practice of a student pursuing a course of professional
education under the terms of this chapter, if these activities and
services constitute a part of the student's supervised course of
study.