46 U.S.C. § 12134
Section 12134 · Evidentiary uses of documentation
Amended 1 time on record
A certificate of documentation is—
(1) conclusive evidence of nationality for international purposes, but not in a proceeding conducted under the laws of the United States;
(2) conclusive evidence of qualification to engage in a specified trade; and
(3) not conclusive evidence of ownership in a proceeding in which ownership is in issue.