46 C.F.R. § 68.75
(a) The person that owns a barge qualified to engage in coastwise trade must submit the following to the National Vessel Documentation Center:
(2) A certification in the form of an affidavit and, if requested by the Director, National Vessel Documentation Center, supporting documentation establishing the following facts with respect to the transaction from an individual who is authorized to provide certification on behalf of the person that owns the barge and who is an officer in a corporation, a partner in a partnership, a member of the board of managers in a limited liability company, or their equivalent. The certificate must certify the following:
(b) The charterer must submit the following to the National Vessel Documentation Center: