46 U.S. Code § 12140 - Investigations by Secretary
Investigations by Secretary
The Secretary may conduct investigations and inspections regarding compliance with this chapter and regulations prescribed under this chapter.
(b) Authority To Obtain Evidence.—
(1)In general.—For the purposes of any investigation conducted under this section, the Secretary may issue a subpoena to require the attendance of a witness or the production of documents or other evidence relevant to the matter under investigation if—
(A) before the issuance of the subpoena, the Secretary requests a determination by the Attorney General as to whether the subpoena—
(B) the Attorney General—
determines that the subpoena is reasonable and will not interfere with a criminal investigation; or