(3) ATTORNEY’S FEE AND OTHER COSTS.—In 
any action or proceeding under paragraph (1), the 
court shall allow a prevailing plaintiff to recover a 
reasonable attorney’s fee as part of the costs of the 
litigation, which shall include any applicable expert 
fees. 
(b) WAIVER OF IMMUNITY.— 
(1) IN GENERAL.—Any State or political sub-
division of a State that accepts a grant described in 
paragraph (2) from the Federal Government shall 
agree, as a condition of receiving such grant, to 
waive any immunity of such State or political sub-
division relating to a sanctuary-related civil action. 
(2) GRANTS DESCRIBED.—The grants described 
in this paragraph are— 
(A) a grant for public works and economic 
development under section 201(a) of the Public 
Works and Economic Development Act of 1965 
(42 U.S.C. 3141(a)); 
(B) a grant for planning and administra-
tive expenses under section 203(a) of such Act 
(42 U.S.C. 3143(a)); 
(C) a supplemental grant under section 
205(b) of such Act (42 U.S.C. 3145(b)); 
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(D) a grant for training, research, and 
technical assistance under section 207(a) of 
such Act (42 U.S.C. 3147(a)); and 
(E) except as provided in paragraph (3), a 
community development block grant made pur-
suant to title I of the Housing and Community 
Development Act of 1974 (42 U.S.C. 5301 et 
seq.). 
(3) EXCEPTION.—Grants described in para-
graph (2)(E) shall not include any disaster relief 
grants to address the damage in an area for which 
the President has declared a disaster under title IV 
of the Robert T. Stafford Disaster Relief and Emer-
gency Assistance Act (42 U.S.C. 5170 et seq.). 
SEC. 4. ENSURING COOPERATION BETWEEN FEDERAL AND 
LOCAL LAW ENFORCEMENT OFFICERS TO 
SAFEGUARD OUR COMMUNITIES. 
(a) AUTHORITY TO COOPERATE WITH FEDERAL OF-
FICIALS.—A State, a political subdivision of a State, or 
an officer, employee, or agent of such State or political 
subdivision that complies with a detainer issued by the De-
partment of Homeland Security pursuant to section 236 
or 287 of the Immigration and Nationality Act (8 U.S.C. 
1226 and 1357)— 
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(1) shall be deemed to be acting as an agent of 
the Department of Homeland Security; and 
(2) shall comply with section 287(d) of the Im-
migration and Nationality Act (8 U.S.C. 1357(d)) 
and section 287.5(d) of title 8, Code of Federal Reg-
ulations. 
(b) LEGAL PROCEEDINGS.—In any legal proceeding 
brought against a State, a political subdivision of State, 
or an officer, employee, or agent of such State or political 
subdivision challenging the legality of the seizure or deten-
tion of an individual pursuant to a detainer issued by the 
Department of Homeland Security under section 236 or 
287 of the Immigration and Nationality Act (8 U.S.C. 
1226 and 1357)— 
(1) the State or political subdivision of a State 
shall not be liable for any action taken in accordance 
with the detainer; and 
(2) if the actions of the officer, employee, or 
agent of the State or political subdivision were taken 
in accordance with the detainer— 
(A) the officer, employee, or agent shall be 
deemed— 
(i) to be an employee of the Federal 
Government and an investigative or law 
enforcement officer; and 
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(ii) to have been acting within the 
scope of his or her employment under sec-
tion 1346(b) of title 28, United States 
Code, and chapter 171 of such title; 
(B) section 1346(b) of title 28, United 
States Code, shall provide the exclusive remedy 
for the plaintiff; and 
(C) the United States shall be substituted 
as the defendant in such proceeding. 
(c) RULE OF CONSTRUCTION.—Nothing in this sec-
tion may be construed to provide immunity to any person 
who knowingly violates the civil or constitutional rights of 
an individual. 
Æ 
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