46 U.S.C. § 12117: Oil spill response vessels

satisfies the requirements for a coastwise endorsement, except for the ownership requirement otherwise applicable without regard to this section; is owned by a not-for-profit oil spill response cooperative or by members of such a cooperative that dedicate the vessel to use by the cooperative; is at least 50 percent owned by individuals or entities described in section 12103(b) of this title ; and deploying equipment, supplies, and personnel to recover, contain, or transport oil discharged into the navigable waters of the United States or the exclusive economic zone; or training exercises to prepare to respond to such a discharge. A vessel satisfying subsection (a) is deemed to be owned only by citizens of the United States under sections 12103, 12132, and 50501 of this title.