15. For the purpose of preventing shipments of waste that are not in accordance with the waste management plan—
(a)a competent authority of destination must object to any shipment notified in accordance with the Community Regulation which that plan indicates should not be brought into the United Kingdom; and
(b)a competent authority of dispatch must object to any shipment notified in accordance with the Community Regulation which that plan indicates should not be dispatched from the United Kingdom.