Attachment and disposition of certificates
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
(a) The certificate required for the interstate movement of a regulated article must, at all times during the interstate movement, be attached to the outside of the container containing the regulated article except as follows:
(1) The certificate may be attached to the regulated article itself if it is not in container; or
(2) The certificate may be attached to the accompanying waybill or other shipping document if the regulated article is identified and described on the certificate or waybill.
(b) The carrier must furnish the certificate to the consignee at the destination of the regulated article.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.