No person shall transport bees, hives or appliances into this Commonwealth unless they are accompanied with a certificate of inspection signed by the chief apiary inspector or corresponding inspection official of the state or county from which the bees are being transported. The certificate shall certify that actual inspection of the bees was made within 30 days preceding the date of shipment and that the bees, hives and appliances contained in the shipment are free from bee diseases. It is the duty of any officer, agent, servant or employee of any person, firm or corporation engaged in transportation, who shall receive a shipment of bees consigned to a point in this Commonwealth and not having attached thereto a certificate as required, to immediately notify the department and to hold the shipment subject to its orders for a period of 15 days.