Human Urns Is It Legal To Transport Human Remains (ashes In An Urn) Across State Lines?

Is it legal to transport human remains (ashes in an urn) across state lines? - human urns

Relatives of mine are the engine of Arizona, Arkansas, and the desire of the ashes of a relative for burial in Arkansas. Are there laws that prohibit the transportation of human remains across national borders? You need a license or certificate?