RCW 29B.40.050: Foreign nationals—Contributions, expenditures, and electioneering prohibited.

(1) A foreign national may not make a contribution to any candidate or political committee, make an expenditure in support of or in opposition to any candidate or ballot measure, or sponsor political advertising or an electioneering communication.

(2) A person may not make a contribution to any candidate or political committee, make an expenditure in support of or in opposition to any candidate or ballot measure, or sponsor political advertising or an electioneering communication, if:

(a) The contribution, expenditure, political advertising, or electioneering communication is financed in any part by a foreign national; or

(b) Foreign nationals are involved in making decisions regarding the contribution, expenditure, political advertising, or electioneering communication in any way.