When the Coast Guard operates as a part of the Navy pursuant to section 3  of title 14, the powers conferred on the Secretary of Transportation by section 191  of this title, shall vest in and be exercised by the Secretary of the Navy.
50 U.S. Code § 191a. Transfer of Secretary of Transportation’s powers to Secretary of Navy when Coast Guard operates as part of Navy
Section 3 of title 14, referred to in text, was redesignated section 103 of title 14 by Pub. L. 115–282, title I, § 103(b), Dec. 4, 2018, 132 Stat. 4195, and references to section 3 of title 14 deemed to refer to such redesignated section, see section 123(b)(1) of Pub. L. 115–282, set out as a References to Redesignated Sections of Title 14 note preceding section 101 of Title 14, Coast Guard.
For transfer of authorities, functions, personnel, and assets of the Coast Guard, including the authorities and functions of the Secretary of Transportation relating thereto, to the Department of Homeland Security, and for treatment of related references, see sections 468(b), 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6.
“Secretary of Transportation” substituted in text for “Secretary of the Treasury” pursuant to section 6(b)(1) of Pub. L. 89–670, which transferred Coast Guard to Department of Transportation and transferred to and vested in Secretary of Transportation functions, powers, and duties, relating to Coast Guard, of Secretary of the Treasury and of other officers and offices of Department of the Treasury. See section 108 of Title 49, Transportation.
 See References in Text note below.