No shellfish grown in the State of California shall be sold or distributed except from growing areas that have been approved and have been granted a valid certificate by the State Board of Public Health under these regulations. Shellfish shall not be sold or distributed from growing areas in other states unless each lot of shellfish obtained therefrom bears a certificate number designating a certificate of cleanliness and safety issued by the State Department of Health of the state in which the shipment originates acceptable to the California State Department of Public Health.