California Code, Government Code - GOV § 24306.5

(a) No qualification applies to all of the offices consolidated; and

(b) The board finds that sufficient personnel possessing the particular qualifications required are employed in the consolidated office to assure that decisions made by the occupant of the office are based upon competent professional advice. The enforcement duties described in Sections 101030 and 101040 of the Health and Safety Code shall be discharged by a licensed physician and surgeon with the title of health officer. The health officer's enforcement responsibility is limited to decisions requiring technical medical judgments.

This section does not permit the occupant of the consolidated office to practice any profession or trade for the practice of which a license, permit or registration is required without the license, permit, or registration.