The Secretary, the Secretary of the Department in which the Coast Guard is operating, and the Secretary of the Army shall enforce safety and environmental regulations promulgated pursuant to this subchapter. Each such Federal department may by agreement utilize, with or without reimbursement, the services, personnel, or facilities of other Federal departments and agencies for the enforcement of their respective regulations.
In any investigation conducted pursuant to this section, the Secretary or the Secretary of the Department in which the Coast Guard is operating shall have power to summon witnesses and to require the production of books, papers, documents, and any other evidence. Attendance of witnesses or the production of books, papers, documents, or any other evidence shall be compelled by a similar process, as in the district courts of the United States. Such Secretary, or his designee, shall administer all necessary oaths to any witnesses summoned before such investigation.