What is the minimum weight of a shipment of paper rolls that would require specific securement requirements?

The rules in this section apply to shipments of paper rolls, which individually or together, weigh 2268 kg (5000 lb.) or more. Note: Shipments of paper rolls that weigh less than 2268 kg (5000 lb.), and paper rolls that are unitized on a pallet may either be secured in accordance this section or with the general cargo securement requirements