46 C.F.R. § 153.16
Requirements for foreign flag vessel permits
To have its Certificate of Compliance endorsed to carry a cargo listed in Table 1, a foreign flag vessel must:
(a) Have an IMO Certificate, if the flag administration issues IMO Certificates, endorsed with the name of the cargo and meet any specific requirements in this subpart that the Commandant (CG-ENG) may prescribe; or
(b) Meet the requirements of this subpart and § 30.01-5(e) of this chapter.