No for-hire vessel, while carrying passengers for hire, shall be operated or navigated on the waters of this state except by a person who holds a valid license issued by the department pursuant to the provisions of this article. This requirement, however, shall not apply to persons who operate a for-hire vessel on waters of this state which have been declared to be navigable by agencies of the federal government.
(Amended by Stats. 1966, 1st Ex. Sess., Ch. 61.)