46 CFR § 153.900 - Certificates and authorization to carry a bulk liquid hazardous material.
(a) Except as allowed in 33 CFR 151.33(a), no ship may carry a cargo of bulk liquid hazardous material or an NLS residue if the bulk liquid hazardous material or NLS is listed in Table 1 or carried under a written permission under paragraph (d) of this section unless the ship meets the following:
(i) A United States self-propelled ship in foreign waters; or
(c) No ship may carry any bulk liquid cargo not listed in § 30.25-1 of this chapter, Table 151.05 of Part 151 of this chapter, Table 1 or Table 2 of this part, Table 4 of Part 154 of this chapter, 33 CFR 151.47, or 33 CFR 151.49 unless the cargo name is endorsed on the Certificate of Inspection or contained in a letter issued under paragraph (d) of this section.
(d) The Coast Guard at its discretion endorses the Certificate of Inspection with the name of or issues a letter allowing the carriage of an unlisted cargo described under paragraph (c) of this section if -
(1) The shipowner -
(i) Requests the Coast Guard to add the cargo; and
(2) The ship -
(ii) Meets the design and equipment requirements of this part specified by the Coast Guard; and
(iii) Meets any additional requirements made by the Coast Guard.