((a)) ** Definitions** In this section:
((1)) ** Non-homeland security missions** The term “non-homeland security missions” means the following missions of the Coast Guard:
((A)) Marine safety.
((B)) Search and rescue.
((C)) Aids to navigation.
((D)) Living marine resources (fisheries law enforcement).
((E)) Marine environmental protection.
((F)) Ice operations.
((2)) ** Homeland security missions** The term “homeland security missions” means the following missions of the Coast Guard:
((A)) Ports, waterways and coastal security.
((B)) Drug interdiction.
((C)) Migrant interdiction.
((D)) Defense readiness.
((E)) Other law enforcement.
((b)) ** Transfer** There are transferred to the Department the authorities, functions, personnel, and assets of the Coast Guard, which shall be maintained as a distinct entity within the Department, including the authorities and functions of the Secretary of Transportation relating thereto.
((c)) ** Maintenance of status of functions and assets** Notwithstanding any other provision of this chapter, the authorities, functions, and capabilities of the Coast Guard to perform its missions shall be maintained intact and without significant reduction after the transfer of the Coast Guard to the Department, except as specified in subsequent Acts.
((d)) ** Certain transfers prohibited** No mission, function, or asset (including for purposes of this subsection any ship, aircraft, or helicopter) of the Coast Guard may be diverted to the principal and continuing use of any other organization, unit, or entity of the Department, except for details or assignments that do not reduce the Coast Guard’s capability to perform its missions.
((e)) ** Changes to missions**
((1)) ** Prohibition** The Secretary may not substantially or significantly reduce the missions of the Coast Guard or the Coast Guard’s capability to perform those missions, except as specified in subsequent Acts.
((2)) ** Waiver** The Secretary may waive the restrictions under paragraph (1) for a period of not to exceed 90 days upon a declaration and certification by the Secretary to Congress that a clear, compelling, and immediate need exists for such a waiver. A certification under this paragraph shall include a detailed justification for the declaration and certification, including the reasons and specific information that demonstrate that the Nation and the Coast Guard cannot respond effectively if the restrictions under paragraph (1) are not waived.
((f)) ** Direct reporting to Secretary** Upon the transfer of the Coast Guard to the Department, the Commandant shall report directly to the Secretary without being required to report through any other official of the Department.
((g)) ** Operation as a service in the Navy** None of the conditions and restrictions in this section shall apply when the Coast Guard operates as a service in the Navy under section 3 of title 14.1