for a vessel that is included on such list after receiv-
ing an initial notification under paragraph (1), the 
Secretary shall issue an additional notification to 
such government not later than 120 days after the 
publication of a list under subsection (c)(2). 
(e) NOTIFICATION OF VESSELS.—Upon receiving a no-
tice of arrival under section 70001(a)(5) of title 46, United 
States Code, from a vessel described in subsection (b), the 
Secretary of the department in which the Coast Guard is 
operating shall notify the master of such vessel that the ves-
sel may not enter or operate in the navigable waters of the 
United States or transfer cargo in any port or place under 
the jurisdiction of the United States, unless— 
(1) the Secretary of State has made a determina-
tion under subsection (a)(2); or 
(2) the Secretary of the department in which the 
Coast Guard is operating allows provisional entry of 
the vessel, or transfer of cargo from the vessel, under 
subsection (f). 
(f) PROVISIONAL ENTRY OR CARGO TRANSFER.—Not-
withstanding any other provision of this section, the Sec-
retary of the department in which the Coast Guard is oper-
ating may allow provisional entry of, or transfer of cargo 
from, a vessel, if such entry or transfer is necessary for the 
safety of the vessel or persons aboard. 
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SEC. 417. ST. LUCIE RIVER RAILROAD BRIDGE. 
The Commandant of the Coast Guard shall take such 
actions as are necessary to implement any recommenda-
tions for the St. Lucie River railroad bridge made by the 
Coast Guard in the document titled ‘‘Waterways Analysis 
and Management System for Intracoastal Waterway Miles 
925-1005 (WAMS #07301)’’ published by Coast Guard Sec-
tor Miami in 2018. 
SEC. 418. ASSISTANCE RELATED TO MARINE MAMMALS. 
(a) MARITIME ENVIRONMENTAL AND TECHNICAL AS-
SISTANCE PROGRAM.—Section 50307(b) of title 46, United 
States Code, is amended— 
(1) in paragraph (1)(D) by striking ‘‘and’’ at 
the end; 
(2) in paragraph (2) by striking the period and 
insert ‘‘; and’’; and 
(3) by adding at the end the following: 
‘‘(3) technologies that quantifiably reduce under-
water noise from marine vessels, including noise pro-
duced incidental to the propulsion of marine vessels.’’. 
(b) ASSISTANCE
TO REDUCE IMPACTS
OF VESSEL 
STRIKES AND NOISE ON MARINE MAMMALS.— 
(1) IN
GENERAL.—Chapter 541 of title 46, 
United States Code, is amended by adding at the end 
the following: 
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‘‘§ 54102. Assistance to reduce impacts of vessel strikes 
and noise on marine mammals 
‘‘(a) IN GENERAL.—The Administrator of the Mari-
time Administration, in coordination with the Secretary of 
the department in which the Coast Guard is operating, may 
make grants to, or enter into contracts or cooperative agree-
ments with, academic, public, private, and nongovern-
mental entities to develop and implement mitigation meas-
ures that will lead to a quantifiable reduction in— 
‘‘(1) impacts to marine mammals from vessels; 
and 
‘‘(2) underwater noise from vessels, including 
noise produced incidental to the propulsion of vessels. 
‘‘(b) ELIGIBLE USE.—Assistance under this section 
may be used to develop, assess, and carry out activities that 
reduce threats to marine mammals by— 
‘‘(1) reducing— 
‘‘(A) stressors related to vessel traffic; and 
‘‘(B) vessel strike mortality, and serious in-
jury; or 
‘‘(2) monitoring— 
‘‘(A) sound; and 
‘‘(B) vessel interactions with marine mam-
mals. 
‘‘(c) PRIORITY.—The Administrator shall prioritize 
assistance under this section for projects that— 
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