under a cover letter(A registration statement must be submitted under a cover letter to the Chief Executive Officer for the attention of the Registration and Licensing Division. Alexander Demidov)
shipping document(Air waybill, bill of lading, or truck bill of lading, commercial invoice, certificate of origin, insurance certificate, packing list, or other documents required to clear customs and take delivery of the goods. businessdictionary.comAlexander Demidov)