Sure is:
11 CFR 110.20 - Prohibition on contributions, donations, expenditures, independent expenditures, and disbursements by foreign nationals (52 U.S.C. 30121, 36 U.S.C. 510).
eCFR
Authorities (U.S. Code)
§ 110.20 Prohibition on contributions, donations, expenditures, independent expenditures, and disbursements by foreign nationals ( 52 U.S.C. 30121, 36 U.S.C. 510).
(b)Contributions and donations by foreign nationals in connection with elections. A foreign national shall not, directly or indirectly, make a contribution or a donation of money or other thing of value, or expressly or impliedly promise to make a contribution or a donation, in connection with any Federal, State, or local election.
(c)Contributions and donations by foreign nationals to political committees and organizations of political parties. A foreign national shall not, directly or indirectly, make a contribution or donation to:
(1) A political committee of a political party, including a national party committee, a national congressional campaign committee, or a State, district, or local party committee, including a non-Federal account of a State, district, or local party committee, or
(d)Contributions and donations by foreign nationals for office buildings. A foreign national shall not, directly or indirectly, make a contribution or donation to a committee of a political party for the purchase or construction of an office building. See 11 CFR 300.10 and 300.35.
(e)Disbursements by foreign nationals for electioneering communications. A foreign national shall not, directly or indirectly, make any disbursement for an electioneering communication as defined in 11 CFR 100.29.
(f)Expenditures, independent expenditures, or disbursements by foreign nationals in connection with elections. A foreign national shall not, directly or indirectly, make any expenditure, independent expenditure, or disbursement in connection with any Federal, State, or local election
(1) No person shall knowingly provide substantial assistance in the solicitation, making, acceptance, or receipt of a contribution or donation prohibited by paragraphs (b) through (d), and (g) of this section.
(2) No person shall knowingly provide substantial assistance in the making of an expenditure, independent expenditure, or disbursement prohibited by paragraphs (e) and (f) of this section.
(i)Participation by foreign nationals in decisions involving election-related activities. A foreign national shall not direct, dictate, control, or directly or indirectly participate in the decision-making process of any person, such as a corporation, labor organization, political committee, or political organization with regard to such person's Federal or non-Federal election-related activities, such as decisions concerning the making of contributions, donations, expenditures, or disbursements in connection with elections for any Federal, State, or local office or decisions concerning the administration of a political committee.
(j)Donations by foreign nationals to inaugural committees. A foreign national shall not, directly or indirectly, make a donation to an inaugural committee, as defined in 11 CFR 104.21(a)(1).
No person shall knowingly accept from a foreign national any donation to an inaugural committee.