The U.S. doesn't allow contributions (monetary, in-kind, etc.) by foreign nationals to election campaigns. Both the act of contributing and the act of receiving

The U.S. doesn't allow contributions (monetary, in-kind, etc.) by foreign nationals to election campaigns. Both the act of contributing and the act of receiving the contribution would violate campaign-finance laws. Campaigns should usually be enough on top of this to ask if you're a U.S. national, and reject your contribution if not, though, so it should be relatively difficult to accidentally violate this law, unless the campaign isn't doing basic vetting. (For this purpose, permanent residents holding a "green card" are considered U.S. nationals, not foreign nationals.) However there is an exemption for providing uncompensated volunteer labor, because of a general rule that volunteer labor is not considered a contribution-in-kind (even though in some sense it is). That was written mainly so that you could contribute the max $ and also volunteer, without that being considered an in-kind contribution pushing you above the max contribution, but the exemption also applies to foreign volunteers. Details: http://www.fec.gov/pages/brochures/foreign.shtml http://www.fec.gov/pages/brochures/foreign.shtml