46 U.S.C. § 57520

(a) In General .— A charter under this chapter shall require the charterer, at the charterer’s expense, to— (1) keep the chartered vessel in good repair and efficient operating condition; and (2) make any repairs required by the Secretary of Transportation. (b) Inspection .— The charter shall provide that the Secretary has the right to inspect the vessel at any time to ascertain its condition.