; or (B) is board certified in emergency medicine, family medicine, or internal medicine. . (2) Application The amendment made by paragraph (1)(B) shall apply on and after the date that is 180 days after the date of the enactment of this Act. (c) Definition of exterior deck Section 3523, as redesignated by section 2 of this Act and as amended by subsection (b) of this section, is further amended by inserting after subsection (k) the following: (l) Definition of exterior deck In this section, the term exterior deck means any exterior weather deck on which a passenger may be present, including passenger stateroom balconies, exterior promenades on passenger decks, muster stations, and similar exterior weather deck areas. . 9. Enforcement (a) Information sharing (1) In general To the extent not prohibited by other law, the head of a designated agency shall make available to another head of a designated agency any information necessary to carry out the provisions of subchapter II of chapter 35 of title 46, United States Code. The provision by the head of a designated agency of any information under this subsection to another head of a designated agency shall not constitute a waiver, or otherwise affect, any privilege any agency or person may claim with respect to that information under Federal or State law. (2) Definition of head of a designated agency In this subsection, the term head of a designated agency means the Secretary of Transportation, the Secretary of Homeland Security, or the Attorney General. (b) Passenger vessel security and safety requirements; denial of entry Section 3523(h), as redesignated by section 2 of this Act, is further amended— (1) by striking paragraph (2); (2) in the subsection heading, by striking Enforcement and inserting Penalties ; and (3) in paragraph (1)— (A) by striking (1) Penalties .— and all that follows through (A) Civil penalty .— and inserting (1) Civil penalty .—