(a) The consignor must ensure that the certificate or limited permit authorizing interstate movement of a regulated article is, at all times during interstate movement, attached to:

(1) The outside of the container encasing the regulated article;

(2) The article itself, if it is not in a container; or

(3) The consignee's copy of the accompanying waybill: Provided, that the descriptions of the regulated article on the certificate or limited permit, and on the waybill, are sufficient to identify the regulated article; and

(b) The carrier must furnish the certificate or limited permit authorizing interstate movement of a regulated article to the consignee at the shipment's destination.