52 U.S.C. § 30121
Contributions and donations by foreign nationals
(a) Prohibition
It shall be unlawful for—
(1)
a foreign national, directly or indirectly, to make—
(A)
a contribution or donation of money or other thing of value, or to make an express or implied promise to make a contribution or donation, in connection with a Federal, State, or local election;
(B)
a contribution or donation to a committee of a political party; or
(C)
an expenditure, independent expenditure, or disbursement for an electioneering communication (within the meaning of section 30104(f)(3) of this title ); or
(2)
a person to solicit, accept, or receive a contribution or donation described in subparagraph (A) or (B) of paragraph (1) from a foreign national.
(b) “Foreign national” defined
As used in this section, the term “foreign national” means—
(1)
a foreign principal, as such term is defined by section 611(b) of title 22 , except that the term “foreign national” shall not include any individual who is a citizen of the United States; or
(2)
an individual who is not a citizen of the United States or a national of the United States (as defined in section 1101(a)(22) of title 8 ) and who is not lawfully admitted for permanent residence, as defined by section 1101(a)(20) of title 8 .
( Pub. L. 92–225, title III, § 319 , formerly § 324, as added Pub. L. 94–283, title I, § 112(2) , May 11, 1976 , 90 Stat. 493 ; renumbered § 319, Pub. L. 96–187, title I, § 105(5) , Jan. 8, 1980 , 93 Stat. 1354 ; amended Pub. L. 107–155, title III , §§ 303, 317, Mar. 27, 2002 , 116 Stat. 96 , 109.)