Whoever within or upon any of the places now existing or hereafter reserved or acquired as provided in section 7 of this title, or on, above, or below any portion of the territorial sea of the United States not within the jurisdiction of any State, Commonwealth, territory, possession, or district is guilty of any act or omission which, although not made punishable by any enactment of Congress, would be punishable if committed or omitted within the jurisdiction of the State, Territory, Possession, or District in which such place is situated, by the laws thereof in force at the time of such act or omission, shall be guilty of a like offense and subject to a like punishment.

Whenever any waters of the territorial sea of the United States lie outside the territory of any State, Commonwealth, territory, possession, or district, such waters (including the airspace above and the seabed and subsoil below, and artificial islands and fixed structures erected thereon) shall be deemed, for purposes of subsection (a), to lie within the area of the State, Commonwealth, territory, possession, or district that it would lie within if the boundaries of such State, Commonwealth, territory, possession, or district were extended seaward to the outer limit of the territorial sea of the United States.